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A087660 Values of a certain hypergeometric function. Not known to be always integer-valued. 1
4, 25, 228, 2620, 35164, 527663, 8613004, 150142594, 2759219428, 52953913663, 1053779339980, 21624992868276, 455655808661008, 9823903635742978, 216106936268122100, 4839230922051864504, 110093028451517403276 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

FORMULA

a(n) = 4*hypergeom([ -n, n/2+5/2, n/2+3], [4, 2], -4).

CROSSREFS

Cf. A087659-A087662.

Sequence in context: A001247 A031152 A010845 * A121660 A118835 A194569

Adjacent sequences:  A087657 A087658 A087659 * A087661 A087662 A087663

KEYWORD

nonn

AUTHOR

R. William Gosper (rwg(AT)tc.spnet.com), Sep 26 2003

EXTENSIONS

More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Sep 30 2003

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Last modified February 14 00:21 EST 2012. Contains 205567 sequences.