Numbers k such that the k-th triangular number contains only digits {0,2,6}.

A119054

Numbers k such that the k-th triangular number contains only digits {0,2,6}.

Terms

    a(0) =3a(1) =11a(2) =36a(3) =363a(4) =1095a(5) =3640a(6) =72396a(7) =2097628a(8) =1119484011a(9) =11489670148a(10) =200329741476a(11) =666663663636

External references