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A328363
Partial sums of A057640.
1
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
1,2
FORMULA
a(n) = A024916(n) + A328367(n).
PROG
(Magma) f:=func<n| Floor(a+Exp(a)*Log(a)) where a is HarmonicNumber(n) >; [&+[f(k):k in [1..n]]:n in [1..57]]; // Marius A. Burtea, Nov 18 2019
KEYWORD
nonn
AUTHOR
Omar E. Pol, Oct 26 2019
STATUS
approved