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.

A119104 Numbers k such that the k-th triangular number contains only digits {1,2,6}.

Table of values

n a(n)
1 1
2 3
3 6
4 11
5 36
6 66
7 111
8 651
9 666
10 1563
11 1588
12 5766
13 6651
14 6666
15 15563
16 15888
17 36366
18 65766
19 66651
20 66666
21 205748
22 363666
23 576406
24 657666
25 666651
26 666666
27 6657666
28 6666651
29 6666666
30 18014806
31 36394123
32 66576666
33 66666651
34 66666666

List of values

[1, 3, 6, 11, 36, 66, 111, 651, 666, 1563, 1588, 5766, 6651, 6666, 15563, 15888, 36366, 65766, 66651, 66666, 205748, 363666, 576406, 657666, 666651, 666666, 6657666, 6666651, 6666666, 18014806, 36394123, 66576666, 66666651, 66666666]