48922361856domain: NAppears in sequencesExpansion of (1 + 2*x)/(1 - 2*x)^3.at n=26A014477Partial product of prime gaps: a(n) = a(n-1)*(prime(n+1) - prime(n)).at n=20A081411List of pairs (a(n),b(n)): a(n) = prime(n) - prime(n-1) + a(n-1); b(n) = (prime(n) - prime(n-1))*b(n-1).at n=45A154279a(n) = 4^n*(2n + 1)^2.at n=13A164583