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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A163237 a(i,j) = bits of binary expansion of A003188(i) interleaved with that of A003188(j), then converted with A163241.

Original entry on oeis.org

0, 1, 3, 5, 2, 15, 4, 6, 14, 12, 20, 7, 10, 13, 60, 21, 23, 11, 9, 61, 63, 17, 22, 27, 8, 57, 62, 51, 16, 18, 26, 24, 56, 58, 50, 48, 80, 19, 30, 25, 40, 59, 54, 49, 240, 81, 83, 31, 29, 41, 43, 55, 53, 241, 243, 85, 82, 95, 28, 45, 42, 39, 52, 245, 242, 255, 84, 86, 94
Offset: 0

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Author

Antti Karttunen, Jul 29 2009

Keywords

Crossrefs

Inverse: A163238. a(n) = A163241(A163233(n)). Transpose: A163239. Cf. A147995.

A163240 Inverse permutation to A163239.

Original entry on oeis.org

0, 2, 4, 1, 9, 5, 8, 13, 24, 17, 12, 18, 6, 11, 7, 3, 35, 27, 34, 43, 14, 20, 26, 19, 32, 41, 33, 25, 62, 51, 42, 52, 112, 97, 84, 98, 70, 83, 71, 59, 40, 50, 60, 49, 73, 61, 72, 85, 28, 37, 29, 21, 58, 47, 38, 48, 31, 23, 30, 39, 10, 16, 22, 15, 135, 119, 134, 151, 90
Offset: 0

Views

Author

Antti Karttunen, Jul 29 2009

Keywords

Crossrefs

Inverse: A163239. a(n) = A163236(A163241(n)). Cf. A163238.
Showing 1-2 of 2 results.