A256528 Partial sums of A254077.
1, 3, 6, 10, 16, 24, 33, 43, 55, 60, 74, 89, 96, 114, 135, 151, 178, 198, 231, 255, 266, 292, 314, 327, 355, 394, 426, 456, 500, 525, 559, 594, 611, 651, 702, 738, 806, 848, 900, 945, 983, 1031, 1050, 1096, 1153, 1176, 1230, 1299, 1349, 1412, 1467, 1516, 1576, 1632, 1697, 1755, 1825, 1854, 1916, 2003, 2034, 2100, 2193, 2257
Offset: 1
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