1580050
domain: N
Appears in sequences
- a(n) = 20*a(n-1) - a(n-2).at n=5A001085
- Numerators of continued fraction convergents to sqrt(11).at n=9A041014
- Numerators of continued fraction convergents to sqrt(99).at n=9A041178
- a(n) = 16*n^5 - 20*n^3 + 5*n.at n=10A243131
- a(n) = T(n, 2*n), where T(n, x) is the Chebyshev polynomial of the first kind.at n=5A349071