2026009
domain: N
Appears in sequences
- Denominators of continued fraction convergents to sqrt(10).at n=9A005668
- Denominators of continued fraction convergents to sqrt(40).at n=8A041067
- Denominators of continued fraction convergents to sqrt(90).at n=8A041161
- Denominators of continued fraction convergents to sqrt(160).at n=16A041295
- Denominators of continued fraction convergents to sqrt(250).at n=12A041469
- Denominators of continued fraction convergents to sqrt(360).at n=8A041683
- Pell equation solutions (3*b(n))^2 - 10*a(n)^2 = -1 with b(n) = A097314(n), n >= 0.at n=4A097315
- Triangle, read by rows, T(n, k) = Fibonacci(n, k), where Fibonacci(n, x) is the Fibonacci polynomial.at n=51A117715
- Array read by antidiagonals of a(n) = a(n-1)*k-((k-1)/(k^n)) where a(0)=1 and k=(sqrt(x^2+1)+x)^2 for integers x>=1.at n=23A188647
- Hypotenuses of primitive Pythagorean triples in A195556 and A195557.at n=12A195558