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.

A324716 a(n) = 2*A156552(n) - bitand(2*A156552(n), A323243(n)), where bitand is bitwise-AND, A004198.

Original entry on oeis.org

0, 2, 4, 2, 8, 8, 16, 6, 0, 18, 32, 18, 64, 32, 4, 6, 128, 16, 256, 34, 0, 66, 512, 38, 0, 130, 4, 70, 1024, 10, 2048, 30, 64, 258, 0, 22, 4096, 512, 4, 70, 8192, 72, 16384, 130, 8, 1026, 32768, 78, 0, 32, 256, 258, 65536, 32, 0, 134, 4, 2048, 131072, 82, 262144, 4098, 64, 22, 128, 138, 524288, 518, 1024, 80, 1048576, 38, 2097152, 8194, 20, 1030, 0, 266
Offset: 1

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Author

Antti Karttunen, Mar 15 2019

Keywords

Comments

Equivalently, a(n) = 2*A156552(n) XOR (2*A156552(n) AND A323243(n)).

Crossrefs

Cf. A003987, A004198, A156552, A323243, A324717, A324722 (positions of zeros).

Programs