A174866 Partial sums of A000419.

3, 9, 20, 32, 46, 65, 86, 108, 132, 159, 189, 222, 257, 295, 337, 380, 424, 470, 518, 569, 623, 679, 736, 795, 857, 923, 990, 1059, 1129, 1204, 1280, 1357, 1435, 1518, 1602, 1688, 1776, 1867, 1960, 2054, 2150, 2249, 2351, 2456, 2563, 2671, 2781, 2895, 3010, 3128, 3248, 3371, 3497, 3626, 3757, 3889, 4022, 4156, 4294, 4433, 4573, 4714, 4856

Offset

1,1

Links

Table of n, a(n) for n=1..63.

Formula

a(n) = Sum_{i=1..n} A000419(i).

Crossrefs

Cf. A000419.

Sequence in context: A200612 A355136 A073716 * A187409 A037048 A348090

Adjacent sequences: A174863 A174864 A174865 * A174867 A174868 A174869

Keyword

nonn

Author

Jonathan Vos Post, Dec 01 2010

Extensions

a(41) corrected by Georg Fischer, Aug 28 2020

Status

approved