Least positive k such that k * [RSA-640]^n - 1 is prime, where RSA-640 is the 193 decimal digit RSA challenge number A391940(14).

A108573

Least positive k such that k * [RSA-640]^n - 1 is prime, where RSA-640 is the 193 decimal digit RSA challenge number A391940(14).

Terms

    a(0) =3a(1) =390a(2) =1334a(3) =136a(4) =2058a(5) =2710a(6) =2082a(7) =748a(8) =2388a(9) =3588a(10) =1902a(11) =988a(12) =9170a(13) =5076a(14) =28778a(15) =2112a(16) =1800a(17) =3082a(18) =1238a(19) =12916a(20) =5090a(21) =22312a(22) =8412a(23) =11068a(24) =2a(25) =1558a(26) =67710a(27) =3018a(28) =22554a(29) =1212

External references