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A027257
a(n) = self-convolution of row n of array T given by A025177.
0
1, 2, 8, 58, 462, 3782, 31436, 264134, 2237640, 19079574, 163538472, 1407813438, 12163015662, 105407889930, 915913267652, 7976914859210, 69613332125342, 608590829593638, 5329041851925256, 46729591602635246, 410291878420535354, 3606612469259086834
OFFSET
0,2
CROSSREFS
Cf. A025177.
Sequence in context: A191481 A229529 A007347 * A308352 A185898 A063074
KEYWORD
nonn
EXTENSIONS
a(1) corrected and more terms from Sean A. Irvine, Oct 26 2019
STATUS
approved