A180107 Partial sums of terms in A180101.

0, 1, 1, 2, 4, 6, 9, 12, 15, 20, 25, 30, 35, 42, 49, 56, 63, 70, 77, 88, 99, 110, 121, 132, 143, 156, 169, 182, 195, 208, 221, 238, 255, 272, 289, 306, 323, 342, 361, 380, 399, 418, 437, 460, 483, 506, 529, 552, 575, 598, 621, 644, 667, 696, 725, 754, 783, 812, 841, 870, 899, 930, 961, 992, 1023, 1054, 1085, 1116, 1147, 1184, 1221, 1258, 1295, 1332, 1369, 1406, 1443, 1480, 1517, 1558, 1599, 1640

Offset: 0

Author

N. J. A. Sloane, Jan 16 2011

Keywords

• nonn

Comments

Apart from initial terms, same as A036441 and A076271, but the simple definition warrants an independent entry.

Links

• T. D. Noe, Table of n, a(n) for n = 0..10000

Crossrefs

Cf. A180101, A036441, A076271.