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A153029
Special rounded values of the generalized hypergeometric function of the type 5F0.
1
1, 1, 1, 1, 1, 16, 91, 2679, 38641, 1787941, 49219381, 3272794719, 147764521081, 13316891432131, 897003497620231, 105118238883221315, 9899589649059976321
OFFSET
0,6
FORMULA
a(n) = ceiling( 5F0(-n/2,1/2-n/2,1-n/2,3/2-n/2,2-n/2;;-4) ).
MAPLE
A153029 := proc(n)
hypergeom([ -n/2, 1/2-n/2, 1-n/2, 3/2-n/2, 2-n/2], [], -4) ;
simplify(%) ; ceil(%) ;
end proc:
seq(A153029(n), n=0..30) ; # R. J. Mathar, Jul 27 2022
MATHEMATICA
Table[Ceiling[HypergeometricPFQ[{-n/2, 1/2 - n/2, 1 - n/2, 3/2 - n/2, 2 - n/2}, {}, -4]], {n, 0, 20}] (* Vaclav Kotesovec, Jul 05 2018 *)
CROSSREFS
Cf. A153028.
Sequence in context: A240292 A050406 A047674 * A170920 A027938 A301527
KEYWORD
nonn
AUTHOR
Karol A. Penson, Dec 17 2008
STATUS
approved