a(n) = binomial(2*c-1, c-1) (mod c^4), where c is the n-th composite number.

Terms

a(0) =35a(1) =462a(2) =2339a(3) =4627a(4) =2378a(5) =4238a(6) =5148a(7) =1260a(8) =57635a(9) =85026a(10) =64410a(11) =100509a(12) =163716a(13) =171918a(14) =93876a(15) =309780a(16) =148969a(17) =444220a(18) =370712a(19) =532771a(20) =652200a(21) =938386a(22) =816466a(23) =907874a(24) =569300a(25) =1107298a(26) =2470810a(27) =2953692a(28) =887812a(29) =1341810