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.

A277335 Fibbinary numbers multiplied by three: a(n) = 3*A003714(n); Numbers where all 1-bits occur in runs of even length.

Table of values

n a(n)
0 0
1 3
2 6
3 12
4 15
5 24
6 27
7 30
8 48
9 51
10 54
11 60
12 63
13 96
14 99
15 102
16 108
17 111
18 120
19 123
20 126
21 192
22 195
23 198
24 204
25 207
26 216
27 219
28 222
29 240
30 243
31 246
32 252
33 255
34 384
35 387
36 390
37 396
38 399
39 408
40 411
41 414
42 432
43 435
44 438
45 444
46 447
47 480
48 483
49 486
50 492
51 495
52 504
53 507
54 510
55 768
56 771
57 774
58 780
59 783
60 792
61 795
62 798
63 816
64 819
65 822
66 828
67 831
68 864
69 867
70 870
71 876
72 879
73 888

List of values

[0, 3, 6, 12, 15, 24, 27, 30, 48, 51, 54, 60, 63, 96, 99, 102, 108, 111, 120, 123, 126, 192, 195, 198, 204, 207, 216, 219, 222, 240, 243, 246, 252, 255, 384, 387, 390, 396, 399, 408, 411, 414, 432, 435, 438, 444, 447, 480, 483, 486, 492, 495, 504, 507, 510, 768, 771, 774, 780, 783, 792, 795, 798, 816, 819, 822, 828, 831, 864, 867, 870, 876, 879, 888]