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.

A349887 Numbers which, when written in English, contain exactly one instance of the letter E.

Table of values

n a(n)
1 0
2 1
3 5
4 8
5 9
6 10
7 20
8 22
9 24
10 26
11 31
12 35
13 38
14 39
15 41
16 45
17 48
18 49
19 51
20 55
21 58
22 59
23 61
24 65
25 68
26 69
27 80
28 82
29 84
30 86
31 90
32 92
33 94
34 96
35 200
36 202
37 204
38 206
39 230
40 232
41 234
42 236
43 240
44 242
45 244
46 246
47 250
48 252
49 254
50 256
51 260
52 262
53 264
54 266
55 400
56 402
57 404
58 406
59 430
60 432
61 434
62 436

List of values

[0, 1, 5, 8, 9, 10, 20, 22, 24, 26, 31, 35, 38, 39, 41, 45, 48, 49, 51, 55, 58, 59, 61, 65, 68, 69, 80, 82, 84, 86, 90, 92, 94, 96, 200, 202, 204, 206, 230, 232, 234, 236, 240, 242, 244, 246, 250, 252, 254, 256, 260, 262, 264, 266, 400, 402, 404, 406, 430, 432, 434, 436]

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

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