67194domain: NAppears in sequencesa(n) = 108*n^2 - 228*n + 114 (n>=2).at n=24A304618a(n) = A348507(A276086(n)), where A348507(n) = A003959(n) - n, A003959 is multiplicative with a(p^e) = (p+1)^e, and A276086 gives the prime product form of primorial base expansion of n.at n=53A348950