OFFSET
-1,2
EXAMPLE
0.01531026245890021192162231671595305321086580455681510231239120608460270451...
MATHEMATICA
a388[i_] = Numerator[2^(1 - 2 i^2) i Binomial[2 i^2, i^2]];
RealDigits[N[Sum[a388[i-1]/a388[i], {i, 1, 50}]], 10]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Ralf Steiner, May 03 2017
EXTENSIONS
More terms from Robert G. Wilson v, May 03 2017
STATUS
approved