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.

A255289 Number of 1's in expansion of F^n mod 3, where F = 1/(x*y)+2/y+x/y+2/x+2*x+y/x+2*y+x*y.

Table of values

n a(n)
0 1
1 4
2 12
3 4
4 32
5 48
6 12
7 84
8 117
9 4
10 32
11 84
12 32
13 256
14 300
15 48
16 336
17 324
18 12
19 84
20 225
21 84
22 672
23 792
24 117
25 852
26 876
27 4
28 32
29 84
30 32
31 256
32 336
33 84
34 672
35 852
36 32
37 256
38 672
39 256
40 2048
41 2316
42 300
43 2352
44 2448
45 48
46 336
47 900
48 336

List of values

[1, 4, 12, 4, 32, 48, 12, 84, 117, 4, 32, 84, 32, 256, 300, 48, 336, 324, 12, 84, 225, 84, 672, 792, 117, 852, 876, 4, 32, 84, 32, 256, 336, 84, 672, 852, 32, 256, 672, 256, 2048, 2316, 300, 2352, 2448, 48, 336, 900, 336]

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

Content is available under The OEIS End-User License Agreement.