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A088466 a(n)=(1/2)*4^n*(2*GAMMA(n + 1/2)^2*hypergeom([n + 1/2, n + 1/2], [1/2, 1/2, 3/2], 1/4) + Pi*n!^2*hypergeom([n + 1, n + 1], [1, 3/2, 2], 1/4))/exp(1)/Pi. 1
2, 43, 2215, 204236, 29238991, 5968183657, 1640535644378, 582894501073075, 259553822858233471, 141383455055328055916, 92397970113863259277807, 1298681895041458302600993, 64098926090734144410361983410 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

Special values of a sum of two hypergeometric functions of type 2F3.

CROSSREFS

Sequence in context: A109948 A188683 A119775 * A177490 A203498 A156478

Adjacent sequences:  A088463 A088464 A088465 * A088467 A088468 A088469

KEYWORD

nonn

AUTHOR

Karol A. Penson (penson(AT)lptl.jussieu.fr), Oct 02 2003

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Last modified February 16 17:11 EST 2012. Contains 205938 sequences.