28531167060domain: NAppears in sequencesa(0)=0; a(n) = 11*a(n-1) + 11.at n=10A105280a(n) = (n^n - n)/(n - 1).at n=9A226238a(n) = Sum_{k=1..10} n^k.at n=11A228294a(n) = Sum_{k=0..n} n^k * |(n - k | k)|, where (a | b) denotes the Kronecker symbol.at n=11A367546