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A180107
Partial sums of terms in A180101.
6
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
0,4
COMMENTS
Apart from initial terms, same as A036441 and A076271, but the simple definition warrants an independent entry.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 16 2011
STATUS
approved