110745336312
domain: N
Appears in sequences
- a(n) = tau(n)*Pell(n), where tau(n) = A000005(n), the number of divisors of n.at n=27A204270
- a(n) = Pell(n)*A132973(n) for n>=1, with a(0)=1, where A132973 lists the coefficients in psi(-q)^3/psi(-q^3) and where psi() is a Ramanujan theta function.at n=28A209450
- 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=28A209455