A328363 Partial sums of A057640.
1, 4, 9, 16, 26, 38, 53, 70, 90, 113, 138, 166, 197, 230, 266, 305, 346, 390, 437, 487, 540, 596, 654, 715, 779, 846, 916, 989, 1065, 1144, 1226, 1311, 1399, 1490, 1584, 1681, 1781, 1884, 1990, 2099, 2211, 2326, 2444, 2565, 2689, 2816, 2946, 3079, 3215, 3354, 3496, 3641, 3790, 3942, 4097, 4255, 4416
Offset: 1
Keywords
Programs
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Magma
f:=func
; [&+[f(k):k in [1..n]]:n in [1..57]]; // Marius A. Burtea, Nov 18 2019