178241928596
domain: N
Appears in sequences
- Numbers k such that (k^2 - 8)/2 is a square.at n=14A077445
- a(n) = Pell(n)*A033719(n) for n>=1, with a(0)=1, where A033719 lists the coefficients in theta_3(q)*theta_3(q^7).at n=29A209454
- a(n) = Pell(n)*A002652(n) for n>=1, with a(0)=1, where A002652 lists the coefficients in theta series of Kleinian lattice Z[(-1+sqrt(-7))/2].at n=29A209455
- The number of unilevel points (unique points at their height) on Delannoy paths ending when x = n.at n=29A371596