OFFSET
0,1
COMMENTS
If also the reciprocal of G(1) = 1 is added we get .7194958582743401212231...
FORMULA
Equals Sum_{k>0} 1/A036968(2*k).
EXAMPLE
-.28050414170674716801892095479922438557021976395598927505615374848326107452...
MAPLE
with(numtheory): P:=proc(h) local a, x, k, n; a:=[seq(factorial(n)*coeff(series(2*x/(1+exp(x)), x=0, h+1), x, n), n=1..h)]; print(evalf(add(1/a[2*k], k=1..trunc(h/2)), 200)); end: P(300);
CROSSREFS
KEYWORD
AUTHOR
Paolo P. Lava, Nov 14 2018
STATUS
approved