Primes p such that the order of 2 mod p is a square.

Terms

a(0) =5a(1) =37a(2) =73a(3) =101a(4) =109a(5) =197a(6) =257a(7) =577a(8) =601a(9) =641a(10) =677a(11) =727a(12) =1601a(13) =1801a(14) =2593a(15) =3137a(16) =3389a(17) =3457a(18) =4057a(19) =4357a(20) =5477a(21) =8101a(22) =8837a(23) =10369a(24) =14401a(25) =14407a(26) =16901a(27) =17957a(28) =18253a(29) =18433