156736

Appears in sequences

• Expansion of (f(q) * f(q^3) / (f(-q) * f(-q^3)))^2 in powers of q where f() is a Ramanujan theta function.at n=21A123861
• a(n) = ((1 + sqrt(7))^n - (1 - sqrt(7))^n)/sqrt(7).at n=10A274520