131405
domain: N
Appears in sequences
- Denominators of continued fraction convergents to sqrt(365).at n=8A041691
- a(n) = n^4 + 3*n^2 + 1.at n=19A057721
- Numbers generated by the Fibonacci polynomial x^4 + 3x^2 + 1.at n=18A085151
- First differences of Chebyshev polynomials S(n,363) = A098251(n) with Diophantine property.at n=2A098253
- a(0) = 1, a(1) = 19; for n > 1, a(n) = 19*a(n-1) + a(n-2).at n=4A243399