47221574400domain: NAppears in sequencesPartial products of A007429 (Sum_{d|n} sigma(d)).at n=10A280078a(n) = Sum_{p|n, p prime} (n-1)!/(p-1)!.at n=14A352012a(n) = Sum_{p|n, p prime} (-1)^(n/p+1) * (n-1)!/(p-1)!.at n=14A352014a(n) = Sum_{p|n, p prime} (n-1)!/(n/p-1)!.at n=14A352059