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.

A119119 Triangular numbers composed of digits {1,3,8}.

Table of values

n a(n)
1 1
2 3
3 88831
4 1188111
5 38311881
6 11313313831
7 83388881331381
8 881388838113181838838811
9 8138133831331381318318881
10 183113183318838311383311313311
11 133831381813113188111133181833111
12 31188113313888818318833183383131131

List of values

[1, 3, 88831, 1188111, 38311881, 11313313831, 83388881331381, 881388838113181838838811, 8138133831331381318318881, 183113183318838311383311313311, 133831381813113188111133181833111, 31188113313888818318833183383131131]

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

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