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.

A119155 Numbers k such that the k-th triangular number contains only digits {2,3,6}.

Table of values

n a(n)
1 2
2 3
3 8
4 11
5 36
6 211
7 816
8 6816
9 25948
10 66816
11 80791
12 111948
13 724323
14 730251
15 2127563
16 8511948
17 364234436
18 80456475963
19 81513466816
20 2159924381188
21 2554314912583
22 3651400351272436

List of values

[2, 3, 8, 11, 36, 211, 816, 6816, 25948, 66816, 80791, 111948, 724323, 730251, 2127563, 8511948, 364234436, 80456475963, 81513466816, 2159924381188, 2554314912583, 3651400351272436]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.