1222981domain: NAppears in sequencesa(n) = n^4 + n^3 + n^2 + n + 1.at n=33A053699Smallest k such that k*2^n +1 is an n-th power.at n=4A193747a(n) = (33^n - 1)/32.at n=5A218736a(n) = floor((n + 1/2)^5).at n=16A219088