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Search: id:A111539
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| 1, 2, 7, 34, 211, 1564, 13291, 126430, 1326211, 15184744, 188348659, 2515991290, 36018842875, 550317892372, 8940695112331, 153950966471734, 2801321782936819, 53720913548093344, 1083061044893428675
(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+1)!/1!*x^i)), m-j-1))))^-1)[n+1, k]))}
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CROSSREFS
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Cf. A111536.
Sequence in context: A112916 A145845 A002720 this_sequence A074059 A135882 A143740
Adjacent sequences: A111536 A111537 A111538 this_sequence A111540 A111541 A111542
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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 06 2005
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