8590065665domain: NAppears in sequencesa(n) = 2 * (4^n + 2^n) + 1.at n=16A085601Gaussian norm of 1+(1+i)^n.at n=33A238187Number of pieces after a sheet of paper is folded n times and cut diagonally.at n=34A257418a(0)=2; for n > 0, a(n) = 2^(2*n-1) + 2^n + 1.at n=17A343175