Number of those nonnegative integer solutions of the congruence x_1+2x_2+...+(n-1)x_{n-1} = 0 (mod n) which are indecomposable, that is, are not nonnegative linear combinations of other nonnegative integer solutions.

A096337

Number of those nonnegative integer solutions of the congruence x_1+2x_2+...+(n-1)x_{n-1} = 0 (mod n) which are indecomposable, that is, are not nonnegative linear combinations of other nonnegative integer solutions.

Terms

    a(0) =0a(1) =1a(2) =3a(3) =6a(4) =14a(5) =19a(6) =47a(7) =64a(8) =118a(9) =165a(10) =347a(11) =366a(12) =826a(13) =973a(14) =1493a(15) =2134a(16) =3912a(17) =4037a(18) =7935a(19) =8246a(20) =12966a(21) =17475a(22) =29161a(23) =28064a(24) =49608a(25) =59357a(26) =83419a(27) =97242a(28) =164966a(29) =152547

External references