Values A such that p=prime(n) satisfies binomial(2p-1, p-1) == 1 + A*p (mod p^4).

Terms

a(0) =1a(1) =3a(2) =25a(3) =245a(4) =121a(5) =169a(6) =867a(7) =3249a(8) =6877a(9) =9251a(10) =961a(11) =15059a(12) =57154a(13) =61017a(14) =68479a(15) =106742a(16) =201898a(17) =208376a(18) =107736a(19) =176435a(20) =330398a(21) =237158a(22) =158447a(23) =213867a(24) =903264a(25) =856884a(26) =21218a(27) =755634a(28) =1259386a(29) =944906