A173289 Partial sums of A000602.

1, 2, 3, 4, 6, 9, 14, 23, 41, 76, 151, 310, 665, 1467, 3325, 7672, 18031, 42925, 103448, 251732, 618051, 1528777, 3807435, 9539015, 24029260, 60826848, 154666260, 394882063, 1011987677, 2602494798, 6714341561, 17374649352, 45085903121

Offset

0,2

Links

Table of n, a(n) for n=0..32.

Formula

a(n) = Sum_{i=0..n} A000602(i).

Crossrefs

Cf. A000602.

Sequence in context: A350588 A001115 A173278 * A096824 A192488 A089797

Adjacent sequences: A173286 A173287 A173288 * A173290 A173291 A173292

Keyword

nonn

Author

Jonathan Vos Post, Feb 15 2010

Extensions

a(24) corrected by Georg Fischer, Aug 28 2020

Status

approved