Triangle read by rows in which row n lists numbers k such that the greatest prime factor of k^2 - 2 is A038873(n), the n-th prime not congruent to 3 or 5 mod 8.
A242488
Triangle read by rows in which row n lists numbers k such that the greatest prime factor of k^2 - 2 is A038873(n), the n-th prime not congruent to 3 or 5 mod 8.
Terms
- a(0) =2a(1) =3a(2) =4a(3) =10a(4) =6a(5) =11a(6) =45a(7) =108a(8) =5a(9) =18a(10) =28a(11) =74a(12) =156a(13) =235a(14) =8a(15) =23a(16) =39a(17) =116a(18) =1201a(19) =17a(20) =24a(21) =58a(22) =147a(23) =304a(24) =550a(25) =2272a(26) =390050a(27) =7a(28) =40a(29) =54
External references
- oeis: A242488