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Search: id:A111562
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A111562 Column 2 of A111560, which is the matrix log of A111553. +0
1
0, 3, 10, 60, 470, 4344, 45320, 521200, 6513280, 87613440, 1260188800, 19286781440, 312884243840, 5363632995840, 96904980170240, 1840977689943040, 36700487712701440, 766296476640215040, 16728728381231472640 (list; graph; listen)
OFFSET

0,2

PROGRAM

(PARI) {a(n)=local(M=matrix(n+3, n+3, 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))))); if(n<0, 0, sum(i=1, #M, (M^0-M)^i/i)[n+3, 3])}

CROSSREFS

Cf. A111560, A111553.

Adjacent sequences: A111559 A111560 A111561 this_sequence A111563 A111564 A111565

Sequence in context: A112101 A103591 A018932 this_sequence A009654 A013565 A034889

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Aug 07 2005

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Last modified October 5 16:50 EDT 2008. Contains 144613 sequences.


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