|
Search: id:A111562
|
|
| |
|
| 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
|
|
|
Search completed in 0.002 seconds
|