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A064095
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Row sums of triangle A064094.
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1
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1, 2, 3, 5, 11, 34, 142, 753, 4826, 36028, 305133, 2879841, 29909422, 338479430, 4139716659, 54339861531, 761150445735, 11322139144240, 178116143657890, 2952831190016239, 51423702126549167, 938126972940647198, 17883424301972473340, 355435808475002747565, 7350551776003412371185
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OFFSET
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0,2
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LINKS
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PROG
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(PARI) T(n, k)= if (n==k, 1, sum(i=0, n-k-1, (n-k-i)*binomial(n-k-1+i, i)*(k^i)/(n-k))); \\ A064094
a(n) = sum(k=0, n, T(n, k));
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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