A072693 Special values of confluent hypergeometric function 1F1: a(n)=(5*n)!*hypergeom([5*n+1],[6],1)/(5!*exp(1)).

1, 63591, 45481765921, 160604998959958441, 1874723678075686559978901, 56966859544114373201026220221351, 3844457292000022475228241534754501141141

Offset

1,2

Links

Table of n, a(n) for n=1..7.

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

Adjacent sequences: A072690 A072691 A072692 * A072694 A072695 A072696

Keyword

nonn

Author

Karol A. Penson, Jul 03 2002

Status

approved