cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A072647 a(n) = A072637(A048679(n)).

Original entry on oeis.org

0, 1, 2, 6, 3, 15, 4, 5, 52, 7, 16, 19, 14, 466, 11, 9, 37, 8, 112, 42, 43, 5095, 20, 53, 44, 39, 127, 10, 28, 481, 123, 121, 149, 51, 17231, 29, 12, 40, 17, 41, 154, 155, 153, 18, 47, 156, 38, 1512, 477, 475, 385, 151, 1234, 122, 376, 69829, 55, 159, 56, 113, 164
Offset: 0

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Author

Antti Karttunen, Jun 02 2002

Keywords

Comments

Composition of the permutations A072637 & A048679.

Crossrefs

A072645 gives the size of the corresponding parenthesizations, i.e., A072645(n) = A029837(A014486(A072647(n)) + 1)/2. (A029837(n+1) gives the binary width of n.)