251943
domain: N
Appears in sequences
- Numerators of continued fraction convergents to sqrt(569).at n=9A042090
- a(n) is the unique odd positive solution y of 2^n = 7x^2 + y^2.at n=33A077021
- Denominators of an Egyptian fraction for 1/sqrt(19) = 0.22941573387...at n=2A144995
- a(n) = 3*a(n-1) - 4*a(n-2) with a(0) = 2, a(1) = 3.at n=17A247563
- a(n) = 3*a(n-2) - 4*a(n-4) with a(0) = 2, a(1) = 1, a(2) = 3, a(3) = 1.at n=34A247564