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.

A280873 Numbers whose binary expansion does not begin 10 and does not contain 2 adjacent 0's; Ahnentafel numbers of X-chromosome inheritance of a male.

Table of values

n a(n)
0 0
1 1
2 3
3 6
4 7
5 13
6 14
7 15
8 26
9 27
10 29
11 30
12 31
13 53
14 54
15 55
16 58
17 59
18 61
19 62
20 63
21 106
22 107
23 109
24 110
25 111
26 117
27 118
28 119
29 122
30 123
31 125
32 126
33 127
34 213
35 214
36 215
37 218
38 219
39 221
40 222
41 223
42 234
43 235
44 237
45 238
46 239
47 245
48 246
49 247
50 250
51 251
52 253
53 254
54 255

List of values

[0, 1, 3, 6, 7, 13, 14, 15, 26, 27, 29, 30, 31, 53, 54, 55, 58, 59, 61, 62, 63, 106, 107, 109, 110, 111, 117, 118, 119, 122, 123, 125, 126, 127, 213, 214, 215, 218, 219, 221, 222, 223, 234, 235, 237, 238, 239, 245, 246, 247, 250, 251, 253, 254, 255]

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

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