a(n) is the smallest positive integer of length (distance from origin) n in the Cayley graph of the integers generated by all powers of 7.

A297180

a(n) is the smallest positive integer of length (distance from origin) n in the Cayley graph of the integers generated by all powers of 7.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =4a(4) =11a(5) =18a(6) =25a(7) =74a(8) =123a(9) =172a(10) =515a(11) =858a(12) =1201a(13) =3602a(14) =6003a(15) =8404a(16) =25211a(17) =42018a(18) =58825a(19) =176474a(20) =294123a(21) =411772a(22) =1235315a(23) =2058858a(24) =2882401a(25) =8647202a(26) =14412003a(27) =20176804a(28) =60530411a(29) =100884018

External references