19726764300
domain: N
Appears in sequences
- a(n) = -(u^n-1)*(v^n-1) with u = 2+sqrt(3), v = 2-sqrt(3).at n=17A129743
- Continued fraction expansion for exp( Sum_{n>=1} 1/(n*A003500(n)) ), where A003500(n) = (2+sqrt(3))^n + (2-sqrt(3))^n.at n=35A174500
- Simple continued fraction expansion of an infinite product.at n=33A221075
- A bisection of A221075.at n=16A389607