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URL: https://oeis.org/A027251

⇱ A027251 - OEIS

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A027251
a(n) = Sum_{k=0..n} (k+1) * A026780(n, k).
0
1, 3, 10, 27, 76, 195, 519, 1299, 3364, 8311, 21191, 51981, 131273, 320715, 804845, 1961823, 4901782, 11932489, 29719325, 72291325, 179610365, 436699813, 1082870377, 2632116551, 6516122403, 15835522783, 39147779575
OFFSET
0,2
CROSSREFS
Sequence in context: A000471 A000501 A154496 * A279136 A127912 A005956
KEYWORD
nonn
STATUS
approved