A218600 Partial sums of A213709.

0, 1, 2, 4, 7, 12, 21, 38, 68, 122, 220, 399, 729, 1343, 2493, 4655, 8727, 16405, 30901, 58319, 110298, 209098, 397407, 757296, 1446945, 2771951, 5323982, 10250571, 19780122, 38243220, 74058513, 143592684, 278661808, 541110611, 1051158027, 2042539460, 3969857205

Offset: 0

Author

Antti Karttunen, Nov 05 2012

Keywords

• nonn

Comments

a(n) tells the position of (2^n)-1 in A179016.

Crossrefs

a(n) = A213710(n)-1. A179016(a(n))=(2^n)-1. Cf. A213711.

Extensions

a(29)-a(36) from Alois P. Heinz, Jul 03 2022