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A368561
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a(n) = Sum_{k=0..n} k! * n^k.
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1
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1, 2, 11, 184, 6565, 390806, 34557919, 4237440628, 687219772553, 142347286888210, 36654963132246211, 11483715014356017104, 4300711472638444724653, 1897241450053063830832078, 973695564434830963964311655
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listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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FORMULA
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PROG
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(PARI) a(n) = sum(k=0, n, k!*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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STATUS
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approved
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