Odd composite integers m such that U(m)^2 == 1 (mod m) and V(m) == 3 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=3 and b=-1, respectively.
A337626
Odd composite integers m such that U(m)^2 == 1 (mod m) and V(m) == 3 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=3 and b=-1, respectively.
Terms
- a(0) =33a(1) =119a(2) =385a(3) =561a(4) =649a(5) =1189a(6) =1441a(7) =2065a(8) =2289a(9) =2465a(10) =2849a(11) =4187a(12) =6545a(13) =12871a(14) =13281a(15) =14041a(16) =16109a(17) =18241a(18) =22049a(19) =23479a(20) =24769a(21) =25345a(22) =28421a(23) =31631a(24) =34997a(25) =38121a(26) =38503a(27) =41441a(28) =45961a(29) =48577
External references
- oeis: A337626