Numbers k such that k^5-1 and k^5+1 are semiprimes.

Terms

a(0) =12a(1) =1452a(2) =11352a(3) =79398a(4) =146520a(5) =281622a(6) =352110a(7) =536778a(8) =643302a(9) =680988a(10) =723492a(11) =739200a(12) =878988a(13) =992112a(14) =1115268a(15) =1189650a(16) =1397022a(17) =1698378a(18) =1698510a(19) =1728540a(20) =1806222a(21) =2486220a(22) =2873178a(23) =3031578a(24) =3571458a(25) =3946140a(26) =4467012a(27) =4983858a(28) =5064510a(29) =5135658