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.

A117509 Numbers whose base-3, base-4, base-5, and base-6 expansions contain no 1's.

Table of values

n a(n)
1 0
2 2
3 560
4 43760
5 163854
6 164018
7 870899850
8 870899852
9 870900354
10 870900360
11 870900362
12 870907842
13 870907848
14 870907850
15 870977340
16 870977342
17 871016994
18 871017138
19 871017144
20 871018188
21 871018190
22 871018440
23 871018442
24 871025312

List of values

[0, 2, 560, 43760, 163854, 164018, 870899850, 870899852, 870900354, 870900360, 870900362, 870907842, 870907848, 870907850, 870977340, 870977342, 871016994, 871017138, 871017144, 871018188, 871018190, 871018440, 871018442, 871025312]

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

Content is available under The OEIS End-User License Agreement.