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A127083
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Column 0 and row sums of triangle A127082.
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10
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1, 1, 2, 5, 16, 64, 308, 1728, 11046, 79065, 625049, 5397939, 50476959, 507435548, 5451145709, 62260278817, 752770290544, 9598571168318, 128651201239737, 1807273852520354, 26541004709809462, 406530038758976731
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OFFSET
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0,3
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LINKS
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MATHEMATICA
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T[n_, k_]:= T[n, k]= If[k==n, 1, Coefficient[(1 + x*Sum[x^(r-k)*Sum[T[r, c], {c, k, r}], {r, k, n-1}] + x^(n+1))^(k+1), x, n-k]]; Table[T[n, 0], {n, 0, 25}] (* G. C. Greubel, Jan 30 2020 *)
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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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