430314081400
domain: N
Appears in sequences
- Numerators of continued fraction convergents to sqrt(72).at n=14A041126
- Numerators of continued fraction convergents to sqrt(648).at n=14A042244
- Numerators of continued fraction convergents to sqrt(968).at n=14A042872
- a(n) = sqrt(2)*( (3+2*sqrt(2))^n - (3-2*sqrt(2))^n ).at n=15A081554
- a(n) = Pell(n)*A001227(n) for n >= 1, where A001227(n) is the number of odd divisors of n.at n=29A209445
- Solutions y_n to the negative Pell equation y^2 = 72*x^2 - 8.at n=7A280761
- The number of unilevel points (unique points at their height) on Delannoy paths ending when x = n.at n=30A371596