Least number k >= 0 such that (n!+k)/(n+k) is an integer.

Terms

a(0) =1a(1) =1a(2) =0a(3) =1a(4) =18a(5) =1a(6) =712a(7) =5031a(8) =14a(9) =1a(10) =18a(11) =1a(12) =479001586a(13) =1719a(14) =87178291184a(15) =1a(16) =3024a(17) =1a(18) =40a(19) =633a(20) =124748a(21) =1a(22) =86a(23) =51847a(24) =625793187628a(25) =123a(26) =20404a(27) =1a(28) =210a(29) =1