OFFSET
0,2
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..220
FORMULA
log(1+4*x) = Sum_{k>=1} a(k)/k * (x/(1 + (k+2)^2*x))^k.
1 = Sum_{k>=0} a(k) * binomial(k+m-1,k) * x^k/(1 + (k+2)^2*x)^(k+m) for m >= 1.
1 = Sum_{k>=0} a(k) * x^k/k! * exp(-(k+2)^2*x).
CROSSREFS
KEYWORD
nonn,new
AUTHOR
Seiichi Manyama, Apr 11 2026
STATUS
approved