116229domain: NAppears in sequencesa(0)=0, a(1)=0; for n>1, a(n) = a(n-1) + (n-4)*a(n-2) + 1.at n=14A220699Number of integers m in base n with distinct digits such that the number formed by the consecutive subsequence of the initial j digits is divisible by j for all j in {1,...,length(m)}.at n=17A334319