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A107103
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Column 1 of triangle A107102, which is the matrix inverse of A100862.
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2
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1, -3, 12, -67, 495, -4596, 51583, -680037, 10306152, -176591665, 3376207461, -71258869848, 1645797382177, -41289185878227, 1118136109703460, -32509366699961371, 1010047705084550823, -33397162601828122332, 1170937325957822375167, -43391988679237460897205
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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COMMENTS
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LINKS
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FORMULA
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PROG
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(PARI) {a(n)=local(X=x+x^2*O(x^n), Y=y+y^2*O(y^n)); (matrix(n+2, n+2, m, k, if(m>=k, (m-1)!*polcoeff(polcoeff(exp(X+Y*X^2/2+X*Y), m-1, x), k-1, y)))^-1)[n+2, 2]}
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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