A119064 Numbers k such that the k-th triangular number contains only digits {0,3,6}.

2, 3, 8, 11, 24, 35, 36, 77, 363, 816, 1095, 1122, 2571, 7788, 25704, 114920, 11281016, 35599539, 355057836, 11489128191, 258315170402, 852060600000, 1151781516003, 3559869761679, 25703436746877, 25704497685660

Offset: 1

Author

Giovanni Resta, May 10 2006

Keywords

• nonn
• base

Links

• G. Resta, Tridigital Triangular Numbers

Crossrefs

Cf. A000217, A119063. See A119034 for a table of cross-references.