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.

A375156 In the binary expansion of n: expand bits 1 -> 01 and 0 -> x0 from most to least significant, where x is the complement of the previous bit from n.

Table of values

n a(n)
0 2
1 1
2 4
3 5
4 18
5 17
6 20
7 21
8 74
9 73
10 68
11 69
12 82
13 81
14 84
15 85
16 298
17 297
18 292
19 293
20 274
21 273
22 276
23 277
24 330
25 329
26 324
27 325
28 338
29 337
30 340
31 341
32 1194
33 1193
34 1188
35 1189
36 1170
37 1169
38 1172
39 1173
40 1098
41 1097
42 1092
43 1093
44 1106
45 1105
46 1108
47 1109
48 1322
49 1321
50 1316
51 1317
52 1298
53 1297
54 1300

List of values

[2, 1, 4, 5, 18, 17, 20, 21, 74, 73, 68, 69, 82, 81, 84, 85, 298, 297, 292, 293, 274, 273, 276, 277, 330, 329, 324, 325, 338, 337, 340, 341, 1194, 1193, 1188, 1189, 1170, 1169, 1172, 1173, 1098, 1097, 1092, 1093, 1106, 1105, 1108, 1109, 1322, 1321, 1316, 1317, 1298, 1297, 1300]