Smallest m such that 1!+...+m! is divisible by 2n+1, or 0 if no such m exists.

Terms

a(0) =1a(1) =2a(2) =0a(3) =0a(4) =3a(5) =4a(6) =0a(7) =0a(8) =5a(9) =0a(10) =0a(11) =12a(12) =0a(13) =7a(14) =19a(15) =0a(16) =4a(17) =0a(18) =24a(19) =0a(20) =32a(21) =19a(22) =0a(23) =0a(24) =0a(25) =5a(26) =20a(27) =0a(28) =0a(29) =0