900234724

Appears in sequences

• Numbers k such that (k^2 - 8)/2 is a square.at n=11A077445
• 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=23A209454
• 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=23A209455
• The number of unilevel points (unique points at their height) on Delannoy paths ending when x = n.at n=23A371596