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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.

A119084 Numbers k such that the k-th triangular number contains only digits {0,5,8}.

Table of values

n a(n)
1 10
2 100
3 1000
4 10000
5 100000
6 1000000
7 1056485
8 10000000
9 40212075
10 100000000
11 1000000000
12 10000000000
13 100000000000
14 100549051600
15 1000000000000
16 10000000000000
17 100000000000000
18 421438146839024
19 1000000000000000

List of values

[10, 100, 1000, 10000, 100000, 1000000, 1056485, 10000000, 40212075, 100000000, 1000000000, 10000000000, 100000000000, 100549051600, 1000000000000, 10000000000000, 100000000000000, 421438146839024, 1000000000000000]

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

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