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Search: id:A111552
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| 1, 2, 8, 46, 338, 2930, 28726, 311342, 3679778, 47000002, 644538614, 9443216366, 147222001954, 2434125748082, 42555399987686, 784634319490894, 15221022251713538, 309977607819594818, 6613678784212854646
(list; graph; listen)
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OFFSET
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0,2
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PROGRAM
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(PARI) {a(n)=if(n<0, 0, sum(k=1, n+1, (matrix(n+k, n+k, m, j, if(m==j, 1, if(m==j+1, -m+1, -(m-j-1)*polcoeff(log(sum(i=0, m, (i+2)!/2!*x^i)), m-j-1))))^-1)[n+1, k]))}
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CROSSREFS
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Cf. A111544.
Adjacent sequences: A111549 A111550 A111551 this_sequence A111553 A111554 A111555
Sequence in context: A006664 A005840 A088791 this_sequence A128085 A052801 A074599
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KEYWORD
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nonn
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AUTHOR
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Paul D. Hanna (pauldhanna(AT)juno.com), Aug 07 2005
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