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A091683 Decimal expansion of HypergeometricPFQ[{1,1,1},{1/3,2/3},1/27]. 1
1, 1, 7, 8, 4, 0, 3, 2, 5, 8, 2, 4, 6, 1, 7, 6, 7, 1, 8, 3, 0, 1, 0, 0, 7, 6, 2, 5, 4, 6, 7, 9, 1, 5, 7, 5, 1, 8, 8, 6, 1, 6, 5, 1, 9, 1, 2, 7, 8, 1, 7, 6, 2, 8, 8, 1, 2, 2, 9, 4, 2, 3, 8, 2, 3, 7, 5, 1, 6, 3, 8, 2, 7, 1, 2, 9, 2, 6, 6, 0, 6, 3, 6, 2, 3, 3, 5, 5, 9, 8, 1, 5, 2, 6, 8, 1, 2, 8, 0, 1, 0, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Sum_{n>=0}(n!)^3/(3n)!.

LINKS

Table of n, a(n) for n=0..101.

Richard C. Schroeppel and Bill Gosper, HACKMEM Item #116

Eric Weisstein's World of Mathematics, Factorial Sums

EXAMPLE

1.17840325...

MATHEMATICA

RealDigits[ N[ HypergeometricPFQ[{1, 1, 1}, {1/3, 2/3}, 1/27], 102]][[1]] (* Jean-Fran├žois Alcover, Oct 29 2012 *)

CROSSREFS

Sequence in context: A194622 A193010 A079082 * A092157 A220351 A220863

Adjacent sequences:  A091680 A091681 A091682 * A091684 A091685 A091686

KEYWORD

nonn,cons

AUTHOR

Eric W. Weisstein, Jan 28 2004

EXTENSIONS

Link by Charles R Greathouse IV, Oct 26 2009

STATUS

approved

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Last modified April 10 23:13 EDT 2021. Contains 342877 sequences. (Running on oeis4.)