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A136594
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Unsigned row sums of triangle A136590.
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4
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1, 1, 2, 8, 26, 70, 820, 5152, 20316, 388712, 3666188, 17298908, 501805832, 6256792412, 33844737292, 1353617016078, 20960708128068, 137741948419428, 6588092586831028, 121860622573650906, 924837580461274556
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OFFSET
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0,3
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COMMENTS
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A136590 is the triangle of trinomial logarithmic coefficients.
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LINKS
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PROG
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(PARI) a(n)=sum(k=0, n, n!/k!*abs(polcoeff(log(1+x+x^2 +x*O(x^n))^k, n)))
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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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