A328367 Partial sums of A057641.

0, 0, 1, 1, 5, 5, 12, 14, 21, 26, 39, 39, 56, 65, 77, 85, 108, 113, 140, 148, 169, 189, 223, 224, 257, 282, 312, 329, 375, 382, 432, 454, 494, 531, 577, 583, 645, 688, 738, 757, 827, 846, 920, 957, 1003, 1058, 1140, 1149, 1228, 1274, 1344, 1391, 1486, 1518, 1601, 1639, 1720, 1794, 1901, 1903, 2015, 2096

Offset: 1

Author

Omar E. Pol, Oct 26 2019

Keywords

• nonn

Crossrefs

Cf. A000203, A001008, A002805, A024916, A057640, A057641, A328363.

Programs

Magma

f:=func; [&+[f(k):k in [1..n]]:n in [1..62]]; // Marius A. Burtea, Nov 18 2019

Formula

a(n) = A328363(n) - A024916(n).