-10919domain: ZAppears in sequencesSelf-convolution 6th power equals A106224, which consists entirely of digits {0,1,2,3,4,5} after the initial terms {1,6}.at n=8A106225a(0)=a(1)=1, a(n) = 2*a(n-1)- A010686(n), n>1.at n=14A173114a(n) = Sum_{d|n} (-1)^(n/d+1) * (n-1)!/(d-1)!.at n=7A352013