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.

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A072793 Simple tabular N X N -> N bijection: first interleave the bits as with A054238, then apply the bijection A048680.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 6, 7, 9, 10, 8, 12, 11, 17, 13, 14, 15, 19, 20, 22, 23, 16, 25, 18, 33, 24, 38, 26, 27, 28, 30, 31, 40, 41, 43, 44, 21, 46, 32, 51, 29, 67, 45, 72, 34, 35, 36, 53, 54, 48, 49, 74, 75, 56, 57, 37, 59, 39, 88, 50, 80, 52, 122, 58, 93, 60, 61, 62, 64, 65, 82, 83
Offset: 0

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Author

Antti Karttunen, Jun 12 2002

Keywords

Crossrefs

Inverse: A072794. Composition of A048680 & A054238. The X-projection: A072661, The Y-projection: A072662. Used in global arithmetic ranking scheme presented in A072656.

A072662 Composition of the A059906 and A048679, i.e., a(n) = A059906(A048679(n)).

Original entry on oeis.org

0, 0, 1, 0, 1, 2, 0, 1, 0, 2, 3, 2, 1, 4, 0, 1, 0, 3, 2, 2, 3, 0, 4, 5, 4, 1, 6, 0, 1, 4, 2, 3, 2, 3, 8, 0, 1, 0, 5, 2, 4, 5, 0, 6, 7, 6, 1, 4, 4, 5, 4, 3, 6, 2, 3, 0, 8, 9, 8, 1, 10, 0, 1, 8, 2, 3, 2, 5, 12, 0, 1, 0, 7, 2, 6, 7, 8, 4, 5, 4, 5, 6, 4, 5, 4, 6, 7, 6, 3, 16, 0, 1, 0, 9, 2, 8, 9, 0, 10, 11, 10, 1
Offset: 0

Views

Author

Antti Karttunen, Jun 02 2002

Keywords

Crossrefs

The other side of this projection is A072661. Used to construct the permutations A072657 and A072659.
Showing 1-2 of 2 results.