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A107673
a(n) = A107672(n)/(n+1)^3.
2
1, 1, 19, 1279, 190769, 50664371, 21139541089, 12783260017161, 10590309839157381, 11531675416606553251, 15987041289872773372042, 27515661456632011548886402, 57600689265868641385517070539
OFFSET
0,3
PROG
(PARI) {a(n)=local(P=matrix(n+1, n+1, r, c, if(r>=c, (r^3)^(r-c)/(r-c)!)), D=matrix(n+1, n+1, r, c, if(r==c, r))); (P^-1*D*P)[n+1, 1]/(n+1)^3}
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Jun 07 2005
STATUS
approved