Numbers k such that k divides the (k-1)st Lucas number.

Terms

a(0) =1a(1) =3a(2) =4a(3) =11476a(4) =80476a(5) =192676a(6) =317683a(7) =542242a(8) =934876a(9) =1339516a(10) =4455676a(11) =5063356a(12) =7159636a(13) =9004876a(14) =9874684a(15) =10134316a(16) =17594242a(17) =20558476a(18) =29375236a(19) =32079916a(20) =32347876a(21) =36951916a(22) =46136267a(23) =46489276a(24) =46829476a(25) =54074836a(26) =69457636