12068785domain: NAppears in sequencesThe terms of A073213 (sums of two powers of 17) divided by 2.at n=21A073221a(n) = ((2*n + 1)^6 + 1)/2.at n=8A175113Number of compositions of even natural numbers into 6 parts <= n.at n=16A191489Square array read by descending antidiagonals: T(n,k) = ((2^(n+1) + 1)^(k-1) + 1)/2.at n=38A266577