2438235715domain: NAppears in sequencesa(n) = 1^n + 2^n + ... + 6^n.at n=12A001553Sum of first n 12th powers.at n=6A123094a(n) = Sum_{k=0..n} k^(2*n).at n=6A249459a(n) = Sum_{k=0..floor(n/2)} k^n.at n=12A352981