A335722 Integers m such that A014448(m) == 1 (mod m).

1, 3, 77, 235, 517, 8155, 17567, 18235, 22827, 33355, 57053, 59899, 67947, 107067, 107767, 151987, 232379, 238539, 289155, 306859, 331115, 360267, 411803, 427467, 471115, 576987, 611187, 681963, 713767, 742467, 765195, 811947, 871827, 982315, 1043915, 1174859, 1211115

Offset

1,2

Comments

Inspired by A335670.

All terms > 3 are odd and composite. - Michel Marcus, Jun 19 2020

Links

Table of n, a(n) for n=1..37.

Mathematica

Select[Range[10^4], Divisible[LucasL[3#] - 1, #] &] (* Amiram Eldar, Jun 19 2020 *)

Crossrefs

Cf. A014448, A335670, A335721.

Sequence in context: A302375 A232030 A054950 * A183961 A250328 A306432

Adjacent sequences: A335719 A335720 A335721 * A335723 A335724 A335725

Keyword

nonn

Author

Chai Wah Wu, Jun 18 2020

Status

approved