cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A119173 Numbers k such that the k-th triangular number contains only digits {2,6,7}.

Table of values

n a(n)
1 3
2 11
3 23
4 36
5 123
6 3651
7 394123
8 2307651
9 74534188
10 394392348
11 3639430251
12 1159885996348

List of values

[3, 11, 23, 36, 123, 3651, 394123, 2307651, 74534188, 394392348, 3639430251, 1159885996348]