WikiLeanRecent changes · Proposals · Flags · Stats · About

Diff — On-Line Encyclopedia of Integer Sequences

Revision #1442 → #2109 · back to history

modifiedFifth-order Farey sequence3ae57e2e7291
FieldFrom #1442To #2109
mathlib.decl
mathlib.match_kind
mathlib.module
noteNo Farey sequence definition found in Mathlib via grep or loogle.
statusnot_formalized
modifiedDecimal expansion of pi2e434a63d8b2
FieldFrom #1442To #2109
mathlib.declReal.pi
mathlib.match_kind
mathlib.moduleMathlib.Analysis.SpecialFunctions.Trigonometric.Basic
noteReal.pi is defined in Mathlib but no decimal-digits sequence of pi is formalized.
statuspartial
modifiedTotient valence function2527574aa197
FieldFrom #1442To #2109
mathlib.declNat.totient
mathlib.match_kind
mathlib.moduleMathlib.Data.Nat.Totient
noteNat.totient is in Mathlib but the inverse-counting totient valence function is not.
statuspartial
modifiedLexicographical ordering of sample sequences63b308bc29c8
FieldFrom #1442To #2109
mathlib.decl
mathlib.match_kind
mathlib.module
noteThis is an editorial ordering of OEIS sample sequences with no Mathlib counterpart.
statusnot_formalized
modifiedSelf-referential sequence A031135330356895b16
FieldFrom #1442To #2109
mathlib.decl
mathlib.match_kind
mathlib.module
noteThis particular OEIS self-referential sequence is not in Mathlib.
statusnot_formalized
modifiedRussell's paradox for A053169a2c26ef68c55
FieldFrom #1442To #2109
mathlib.decl
mathlib.match_kind
mathlib.module
noteOEIS-meta paradox of sequence A053169 has no Mathlib formalization.
statusnot_formalized
modifiedCubes sequence A000578a5f96e395a9d
FieldFrom #1442To #2109
mathlib.declHPow.hPow
mathlib.match_kind
mathlib.module
noteThe function n ↦ n^3 is expressible via standard power but no named A000578 sequence exists in Mathlib.
statuspartial
modifiedMultiplicative function keywordaa88d4d1a1fd
FieldFrom #1442To #2109
mathlib.declArithmeticFunction.IsMultiplicative
mathlib.match_kindexact
mathlib.moduleMathlib.NumberTheory.ArithmeticFunction.Defs
noteMathlib defines ArithmeticFunction.IsMultiplicative matching the OEIS multiplicative-function notion.
statusformalized
modifiedLazy caterer's sequence offset91008b182688
FieldFrom #1442To #2109
mathlib.decl
mathlib.match_kind
mathlib.module
noteNo lazy-caterer or pancake-cut sequence found in Mathlib.
statusnot_formalized
modifiedSloane's gapa0a7054684fe
FieldFrom #1442To #2109
mathlib.decl
mathlib.match_kind
mathlib.module
noteSloane's gap is an empirical OEIS observation with no Mathlib formalization.
statusnot_formalized
addedMersenne primes A00066872b2c6ae0e1f
addedExactly fifteen supersingular primesad3c1bb16177
addedPascal's triangle A0073189ab1d490504e
addedMagic square smallest prime sequence A104157d93c4437f85a
addedMultiplicative computation in A0469701221dea0af4f