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.

A119128 Triangular numbers composed of digits {1,4,8}.

Table of values

n a(n)
1 1
2 114481
3 1188111
4 11841411
5 488184144441
6 8888818418481
7 114841884884181
8 144118118141481
9 484118414411448411
10 141488881884888144481881
11 148418181848481418444484488141
12 141848488814448448184488111481811
13 8114481418814448448488484488444141

List of values

[1, 114481, 1188111, 11841411, 488184144441, 8888818418481, 114841884884181, 144118118141481, 484118414411448411, 141488881884888144481881, 148418181848481418444484488141, 141848488814448448184488111481811, 8114481418814448448488484488444141]