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

A277580

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

Terms

    a(0) =8164079a(1) =8421335a(2) =21408695a(3) =30071327a(4) =47324639a(5) =77350559a(6) =103727519a(7) =121538879a(8) =134151479a(9) =202767551a(10) =239875559a(11) =287432495a(12) =306871487a(13) =466861199a(14) =560974259a(15) =566019167a(16) =574342145a(17) =592557119a(18) =594633599a(19) =602758079a(20) =677913599a(21) =832477799

External references