A288566 Partial sums of A087207.

0, 1, 3, 4, 8, 11, 19, 20, 22, 27, 43, 46, 78, 87, 93, 94, 158, 161, 289, 294, 304, 321, 577, 580, 584, 617, 619, 628, 1140, 1147, 2171, 2172, 2190, 2255, 2267, 2270, 4318, 4447, 4481, 4486, 8582, 8593, 16785, 16802, 16808, 17065, 33449, 33452, 33460, 33465, 33531, 33564, 66332, 66335, 66355, 66364

Offset: 1

Author

N. J. A. Sloane, Jun 24 2017

Keywords

• nonn

Links

• N. J. A. Sloane, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A087207.

Formula

G.f.: (1/(1 - x)) * Sum_{k>=1} 2^(k-1) * x^prime(k) / (1 - x^prime(k)). - Ilya Gutkovskiy, Aug 18 2021