15748213419domain: NAppears in sequencesa(n) = n*2^(n+1) + (2^(n+3)+(-1)^n)/3.at n=28A191007a(n) = (11*4^n + 1)/3.at n=16A199210a(0) = 4, a(n) = 2*a(n-1) + (-1)^n.at n=32A383953