A390880 - OEIS

A390880

Convolution of A000027 and A237271.

1, 3, 7, 12, 19, 27, 37, 48, 62, 78, 96, 115, 136, 159, 185, 212, 241, 271, 303, 336, 373, 412, 453, 495, 540, 587, 638, 690, 744, 799, 856, 914, 976, 1040, 1107, 1175, 1245, 1317, 1393, 1470, 1549, 1629, 1711, 1795, 1882, 1971, 2062, 2154, 2249, 2347, 2449, 2553, 2659, 2766, 2877, 2989, 3105, 3223, 3343, 3464

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..60.

CROSSREFS

Partial sums of A237590.

Row sums of A390879.

Cf. A175254, A196020, A221529, A235791, A236104, A237270, A237271, A237591, A237593, A245092, A262626, A274824, A380580, A388065, A390878.

Sequence in context: A006317 A194147 A077043 * A022330 A303279 A024219

Adjacent sequences: A390877 A390878 A390879 * A390881 A390882 A390883

KEYWORD

nonn

AUTHOR

Omar E. Pol, Nov 22 2025

STATUS

approved