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A373658
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a(n) = Sum_{k=0..n} binomial(n, k)*A050446(n, n - k). Alternating row sums of A373660.
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1
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1, 3, 13, 88, 749, 8128, 105453, 1606368, 28047561, 552980736, 12149820237, 294451219712, 7803392603109, 224513730740224, 6969658947747357, 232210548740331008, 8265038127738534417, 312994090288528379904, 12565925964816171109069, 533124629548518534705152
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OFFSET
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0,2
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LINKS
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MAPLE
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a := n -> local k; add(binomial(n, k) * A050446(n, n - k), k = 0..n):
seq(a(n), n = 0..19);
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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