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.

A363787 Primitive binary Niven numbers: binary Niven numbers (A049445) that are not twice another binary Niven number.

Table of values

n a(n)
1 1
2 6
3 10
4 18
5 21
6 34
7 55
8 60
9 66
10 69
11 81
12 92
13 108
14 115
15 116
16 126
17 130
18 155
19 156
20 172
21 180
22 185
23 204
24 205
25 212
26 222
27 228
28 246
29 258
30 261
31 273
32 284
33 285
34 295
35 300
36 308
37 318
38 321
39 332
40 340
41 345
42 355
43 356
44 366
45 378
46 395
47 396
48 404
49 405
50 414
51 420
52 425
53 438
54 452
55 462

List of values

[1, 6, 10, 18, 21, 34, 55, 60, 66, 69, 81, 92, 108, 115, 116, 126, 130, 155, 156, 172, 180, 185, 204, 205, 212, 222, 228, 246, 258, 261, 273, 284, 285, 295, 300, 308, 318, 321, 332, 340, 345, 355, 356, 366, 378, 395, 396, 404, 405, 414, 420, 425, 438, 452, 462]

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

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