A228952 A010062(2^n-1)

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

0,2

Comments

Arises in studying the asymptotics of A010062.

Links

Table of n, a(n) for n=0..27.

Formula

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

Prog

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

Crossrefs

Cf. A229167.

Sequence in context: A148311 A148312 A148313 * A172259 A292327 A084085

Adjacent sequences: A228949 A228950 A228951 * A228953 A228954 A228955

Keyword

nonn

Author

M. F. Hasler, Oct 05 2013

Status

approved