75658
domain: N
Appears in sequences
- a(n) = 14*a(n-1) - a(n-2) with a(0) = 0, a(1) = 2.at n=5A011944
- Denominators of continued fraction convergents to sqrt(12).at n=9A041017
- Denominators of continued fraction convergents to sqrt(108).at n=13A041195
- Expansion of (1-x)^2/((1+x^2)*(1-4*x+x^2)).at n=9A099488
- a(n) = 7 + floor(Sum_{j=1..n-1} a(j) / 2).at n=23A120136
- Integers n > 1 such that A130280(4n^2) < n, i.e., there is an m < n, m > 1 such that 4n^2(m^2 - 1) + 1 is a square.at n=30A130281
- Expansion of (f(-x)^3 / f(-x^2))^6 - 64 * x * (f(-x^2)^3 / f(-x))^6 in powers of x where f() is a Ramanujan theta function.at n=34A258739