Least number k > 2 such that (k!+n)/(k+n) is an integer, or 0 if no such k exists.

Terms

a(0) =4a(1) =0a(2) =0a(3) =0a(4) =12a(5) =4a(6) =5032a(7) =6a(8) =2990a(9) =329881a(10) =6a(11) =10a(12) =1720a(13) =9a(14) =6a(15) =4a(16) =56a(17) =5a(18) =634a(19) =18a(20) =68a(21) =12a(22) =51848a(23) =22a(24) =124a(25) =1671a(26) =12a(27) =6a(28) =30a(29) =28