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.

A228952 A010062(2^n-1).

Original entry on oeis.org

1, 2, 5, 14, 38, 92, 216, 518, 1165, 2641, 5981, 13215, 28880, 62481, 133539, 281878, 595867, 1257995, 2656439, 5585174, 11751388, 24708442, 51644779, 107729838, 224507391, 467923765, 971364960, 2016542071
Offset: 0

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Author

M. F. Hasler, Oct 05 2013

Keywords

Comments

Arises in studying the asymptotics of A010062.

Crossrefs

Cf. A229167.

Programs

  • PARI
    s=1;for(n=0,30,for(i=2^n+1,2^(n+1),s+=hammingweight(s));print1(s","))

Formula

A010062(2^n) = A092391(a(n)).