140281751domain: NPropertiesPrimalityPrimeyesAppears in sequencesFrom a definite integral.at n=19A002571Expansion of (1-x)^(-1)/(1 + 2*x - 2*x^2 - x^3).at n=20A077916a(n) = Sum_{i=1..n} Fibonacci(2i-1)^2.at n=11A103433Prime numbersat n=7927169