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A232246
Central terms of triangle A110440.
2
1, 6, 60, 684, 8270, 103356, 1319318, 17089176, 223742646, 2953453860, 39238422432, 524028551976, 7028512984012, 94609733971200, 1277433085844250, 17293594106959920, 234654019904185254, 3190395630994096932, 43454433346369902968, 592805610973385781960
OFFSET
0,2
COMMENTS
a(n) = A110440(2*n,n).
PROG
(Haskell)
a232246 n = a110440 (2 * n) n
CROSSREFS
Sequence in context: A085364 A228484 A232969 * A086984 A000894 A112117
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 21 2013
STATUS
approved