OFFSET
0,6
COMMENTS
Neil Calkin found the closed forms of 3F2([3*n, -n, n+1],[2*n+1, n+1/2], 1) in 2007.
REFERENCES
Jonathan Borwein, David Bailey, Mathematics by Experiment, 2nd Edition: Plausible Reasoning in the 21st Century.
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..1000
FORMULA
MATHEMATICA
a[n_] := HypergeometricPFQ[{3n, -n, n+1}, {2n+1, n+1/2}, 1] // Numerator; Table[a[n], {n, 0, 53}] (* Jean-François Alcover, Oct 22 2016 *)
CROSSREFS
KEYWORD
sign,frac
AUTHOR
Seiichi Manyama, Oct 19 2016
STATUS
approved