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

1,2

Links

Table of n, a(n) for n=1..57.

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

Crossrefs

Cf. A000203, A001008, A002805, A024916, A057640, A057641, A328367.

Sequence in context: A183764 A022334 A073171 * A049739 A365306 A370307

Adjacent sequences: A328360 A328361 A328362 * A328364 A328365 A328366

Keyword

nonn

Author

Omar E. Pol, Oct 26 2019

Status

approved