A277580 Numbers that are both Smith (A006753) and Lucas-Carmichael (A006972).

8164079, 8421335, 21408695, 30071327, 47324639, 77350559, 103727519, 121538879, 134151479, 202767551, 239875559, 287432495, 306871487, 466861199, 560974259, 566019167, 574342145, 592557119, 594633599, 602758079, 677913599, 832477799, 1051736399, 1132727255, 1171355471

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..4080 (terms below 10^15, calculated from Daniel Suteu's file at A006972)

Crossrefs

Intersection of A006753 and A006972.

Sequence in context: A353540 A183020 A015391 * A059693 A083629 A116304

Adjacent sequences: A277577 A277578 A277579 * A277581 A277582 A277583

Keyword

nonn,base

Author

Max Alekseyev, Oct 21 2016

Extensions

a(23)-a(25) from Amiram Eldar, Mar 29 2026

Status

approved