Numbers k such that k^2 divides 5^k - 4^k - 3^k.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =8a(5) =10a(6) =12a(7) =18a(8) =24a(9) =26a(10) =30a(11) =36a(12) =50a(13) =72a(14) =74a(15) =90a(16) =130a(17) =150a(18) =338a(19) =370a(20) =450a(21) =650a(22) =962a(23) =1402a(24) =1850a(25) =2738a(26) =2974a(27) =4810a(28) =8450a(29) =12506