a(n) = A092914(n)/n = the least integer value of (n-1)!/(n*k!).

Terms

a(0) =10a(1) =0a(2) =105a(3) =2240a(4) =1512a(5) =0a(6) =660a(7) =0a(8) =617760a(9) =16016a(10) =225225a(11) =0a(12) =495040a(13) =0a(14) =69768a(15) =18604800a(16) =639967910400a(17) =0a(18) =8855a(19) =284680230912a(21) =41993952000a(22) =159845400a(23) =0a(24) =475020a(25) =0a(26) =9939793500