Numbers k such that k^3 divides 12^(k^2) - 1.

Terms

a(0) =1a(1) =11a(2) =253a(3) =11891a(4) =77209a(5) =768361a(6) =1775807a(7) =17666737a(8) =36112967a(9) =61488361a(10) =83462929a(11) =154261943a(12) =173185331a(13) =591303757a(14) =830336639a(15) =971656873a(16) =2936791979a(17) =4139054953a(18) =5393125859a(19) =8139710557a(20) =8142849781a(21) =45667873031a(22) =53653880269