A072987 a(1)=a(2)=1, a(n) = a(n-1) (reduced modulo (n-1))+ a(n-2) (reduced modulo (n-2)).

1, 1, 1, 2, 3, 5, 3, 8, 4, 12, 7, 8, 15, 11, 12, 23, 20, 10, 12, 22, 15, 16, 31, 25, 9, 9, 18, 27, 18, 45, 34, 18, 20, 38, 25, 28, 53, 45, 23, 29, 52, 41, 10, 51, 18, 24, 42, 66, 61, 30, 41, 71, 61, 27, 34, 61, 40, 44, 84, 70, 35, 44, 79, 61, 76, 73, 18, 24, 42, 66, 108, 104