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.

A119065 Triangular numbers composed of digits {0,3,7}.

Table of values

n a(n)
1 3
2 300
3 703
4 3003
5 300700
6 7777333333770
7 30770737700703
8 7707033303703300
9 77300377037737303073770
10 3073770307037370707370300003
11 33000770070773300000703773730
12 770037773370037377077730333003

List of values

[3, 300, 703, 3003, 300700, 7777333333770, 30770737700703, 7707033303703300, 77300377037737303073770, 3073770307037370707370300003, 33000770070773300000703773730, 770037773370037377077730333003]

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

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