README.md

study_OEIS

• 日本語
• English

Study of each sequence of numbers in the OEIS

Composition

General

• test

  Verification of PARI results

• src

  Separate repository (organized in numerical sequence numbering)

• formula

  Verification of added formulas, etc.

• transform

  Bell transform

  generalized Euler transform

  Inverse Möbius transform

  Möbius transform

  Stirling transform

• eta_product

• linear

• p_recursive

Individual topics

• graphillion

• domino

• addition triangle

• staircase polyomino

• sumdiv

• young tableaux

• partition

• composition

Miscellaneous

• edit

Topic

The smallest number not listed　

20990

• https://benwiederhake.github.io/oeis-funfacts/
• https://manman4.github.io/

How to calculate it yourself → https://github.com/manman4/study_OEIS/tree/main/oeis_fun

images based on the parity of sequences in OEIS

https://twitter.com/oeisTriangles

pip oeis

You can install oeis with pip.

https://github.com/JulienPalard/oeis

Not that many registered as far as the above is concerned.

Useful sites

• The Combinatorial Object Server

• Prime Curios!