Odd composite integers m such that U(m)^2 == 1 (mod m) and V(m) == 5 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=5 and b=-1, respectively.
A337628
Odd composite integers m such that U(m)^2 == 1 (mod m) and V(m) == 5 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=5 and b=-1, respectively.
Terms
- a(0) =9a(1) =27a(2) =65a(3) =121a(4) =385a(5) =533a(6) =1035a(7) =4081a(8) =5089a(9) =5993a(10) =6721a(11) =7107a(12) =10877a(13) =11285a(14) =13281a(15) =13741a(16) =14705a(17) =16721a(18) =18901a(19) =19601a(20) =19951a(21) =20705a(22) =24769a(23) =25345a(24) =26599a(25) =26937a(26) =28741a(27) =29161a(28) =32639a(29) =37949
External references
- oeis: A337628