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A091885 Triangle T(n,k) defined by the generating function (in Maple notation): cosh(sqrt(y)*arcsin(x)) + sqrt(y)*sinh(sqrt(y)*arcsin(x))-1 = sum(sum(T(n,k)*y^k, k = 1..n)*x^n/n!, n = 1..infinity). +0
3
1, 1, 1, 1, 4, 1, 9, 10, 1, 64, 20, 1, 225, 259, 35, 1, 2304, 784, 56, 1, 11025, 12916, 1974, 84, 1, 147456, 52480, 4368, 120, 1, 893025, 1057221, 172810, 8778, 165, 1, 14745600, 5395456, 489280, 16368, 220, 1, 108056025, 128816766, 21967231, 1234948, 28743 (list; graph; listen)
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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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