Let M_p = 2^p-1 be a Mersenne prime, where p is an odd prime. Sequence lists p such that b_{p-2} == 2^((p+1)/2) mod M_p, where {b_k} is defined in the Comments.

A354167

Let M_p = 2^p-1 be a Mersenne prime, where p is an odd prime. Sequence lists p such that b_{p-2} == 2^((p+1)/2) mod M_p, where {b_k} is defined in the Comments.

Terms

    a(0) =3a(1) =5a(2) =13a(3) =31a(4) =61a(5) =127a(6) =2203a(7) =4253a(8) =9941a(9) =19937a(10) =23209a(11) =86243a(12) =110503a(13) =132049a(14) =756839a(15) =1398269a(16) =2976221a(17) =3021377a(18) =6972593a(19) =13466917a(20) =20996011a(21) =25964951a(22) =37156667a(23) =43112609a(24) =77232917

External references