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URL: https://oeis.org/A027308

⇱ A027308 - OEIS

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A027308
a(n) = self-convolution of row n of array T given by A026323.
0
0, 3, 19, 126, 782, 4720, 28158, 167076, 988976, 5848884, 34587791, 204607678, 1211072430, 7173288330, 42519596826, 252225457356, 1497318796416, 8895212879140, 52881434260371, 314587526985030, 1872652395544866, 11154143632096962, 66476020466258370
OFFSET
1,2
CROSSREFS
Sequence in context: A352299 A074572 A157455 * A391323 A295371 A156069
KEYWORD
nonn
EXTENSIONS
More terms from Sean A. Irvine, Oct 27 2019
STATUS
approved