4294967265domain: NAppears in sequencesa(n) = 2^(2*n)-(2*n-1).at n=16A100102Define F(n) = 2^(2^n)+1 = n-th Fermat number, M(n) = 2^n-1 = the n-th Mersenne number. Then a(n) = F(n)-M(n)-1 = 2^(2^n) - 2^n + 1.at n=5A119564Row sums of triangle A132044.at n=32A1320452^n minus the sum of the proper divisors of n.at n=31A242389