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A072693
Special values of confluent hypergeometric function 1F1: a(n)=(5*n)!*hypergeom([5*n+1],[6],1)/(5!*exp(1)).
1
1, 63591, 45481765921, 160604998959958441, 1874723678075686559978901, 56966859544114373201026220221351, 3844457292000022475228241534754501141141
OFFSET
1,2
MAPLE
A072693 := proc(n)
(5*n)!*hypergeom([5*n+1], [6], 1)/5!/exp(1) ;
simplify(%) ;
end proc:
seq(A072693(n), n=1..9) ; # R. J. Mathar, Jul 27 2022
MATHEMATICA
Table[(5*n)!*HypergeometricPFQ[{5*n + 1}, {6}, 1]/(5!*E), {n, 1, 10}] (* Vaclav Kotesovec, Jul 05 2018 *)
CROSSREFS
Sequence in context: A083406 A083408 A325150 * A119276 A145437 A236873
KEYWORD
nonn
AUTHOR
Karol A. Penson, Jul 03 2002
STATUS
approved