1232221121
domain: N
Appears in sequences
- Denominators of continued fraction convergents to sqrt(17).at n=10A041025
- Denominators of continued fraction convergents to sqrt(68).at n=10A041119
- Denominators of continued fraction convergents to sqrt(153).at n=22A041281
- Denominators of continued fraction convergents to sqrt(272).at n=10A041511
- Denominators of continued fraction convergents to sqrt(425).at n=26A041809
- Denominators of continued fraction convergents to sqrt(612).at n=22A042175
- Chebyshev sequence with Diophantine property.at n=5A078988
- 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=39A188647
- Hypotenuses of primitive Pythagorean triples in A195561 and A195562.at n=15A195564