Numbers m that divide 3^(m + 1) + 1.

Terms

a(0) =1a(1) =2a(2) =4a(3) =5a(4) =14a(5) =244a(6) =365a(7) =434a(8) =854a(9) =2294a(10) =3794a(11) =5966a(12) =7874a(13) =10877a(14) =26474a(15) =33914a(16) =117614a(17) =188774a(18) =231434a(19) =284354a(20) =487634a(21) =501038a(22) =589154a(23) =593774a(24) =621674a(25) =755594a(26) =1255814a(27) =1306934a(28) =1642094a(29) =1911194