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Search: id:A111554
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| 1, 2, 10, 72, 632, 6352, 70912, 864192, 11371072, 160333952, 2409420032, 38428442112, 648333665792, 11538313372672, 216092576714752, 4249731095212032, 87591291183296512, 1888669450881032192
(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, (matrix(n+2, n+2, m, j, if(m==j, 1, if(m==j+1, -m+1, -(m-j-1)*polcoeff(log(sum(i=0, m, (i+3)!/3!*x^i)), m-j-1))))^-1)[n+2, 2])}
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CROSSREFS
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Cf. A111553.
Sequence in context: A118748 A118752 A060842 this_sequence A052555 A084844 A144011
Adjacent sequences: A111551 A111552 A111553 this_sequence A111555 A111556 A111557
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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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