Numbers m that divide 5^(m + 1) + 1.

Terms

a(0) =1a(1) =2a(2) =6a(3) =13a(4) =14a(5) =174a(6) =854a(7) =2694a(8) =78126a(9) =103973a(10) =106694a(11) =121974a(12) =420209a(13) =487374a(14) =1299374a(15) =2174654a(16) =3895094a(17) =4151454a(18) =5842214a(19) =5951129a(20) =6508334a(21) =10637054a(22) =20117894a(23) =24482957a(24) =31999694a(25) =32282053a(26) =32620202a(27) =32872454a(28) =34258454a(29) =52657397