30581480180
domain: N
Appears in sequences
- Numerators of continued fraction convergents to sqrt(392).at n=17A041744
- Numbers k such that (k^2 - 8)/2 is a square.at n=13A077445
- a(n) = tau(n)*Pell(n), where tau(n) = A000005(n), the number of divisors of n.at n=26A204270
- a(n) = Pell(n)*A001227(n) for n >= 1, where A001227(n) is the number of odd divisors of n.at n=26A209445
- a(n) = Pell(n)*A034896(n) for n >= 1, with a(0)=1, where A034896 lists the number of solutions to a^2 + b^2 + 3*c^2 + 3*d^2 = n.at n=27A209451
- The number of unilevel points (unique points at their height) on Delannoy paths ending when x = n.at n=27A371596