Base 10 integers n such that n base 7 is a substring of n base 3.

Terms

a(0) =0a(1) =1a(2) =2a(3) =357a(4) =358a(5) =359a(6) =449a(7) =450a(8) =2417a(9) =2450a(10) =4901a(11) =5146a(12) =34056a(13) =34301a(14) =36752a(15) =39202a(16) =39207a(17) =151326a(18) =153777a(19) =154022a(20) =156473a(21) =156506a(22) =156751a(23) =6005594a(24) =6605901a(25) =12476003a(26) =12490737a(27) =12492410a(28) =12505208a(29) =12506909