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.

A322055 Number of ON cells after n generations of two-dimensional automaton based on knight moves (see Comments for definition; here a cell is turned ON if 1 or 2 neighbors are ON).

Table of values

n a(n)
0 1
1 9
2 41
3 73
4 145
5 185
6 321
7 385
8 577
9 649
10 881
11 993
12 1297
13 1401
14 1729
15 1889
16 2305
17 2441
18 2865
19 3073
20 3601
21 3769
22 4289
23 4545
24 5185
25 5385
26 6001
27 6305
28 7057
29 7289
30 8001
31 8353
32 9217
33 9481
34 10289
35 10689
36 11665
37 11961
38 12865
39 13313
40 14401
41 14729
42 15729
43 16225

List of values

[1, 9, 41, 73, 145, 185, 321, 385, 577, 649, 881, 993, 1297, 1401, 1729, 1889, 2305, 2441, 2865, 3073, 3601, 3769, 4289, 4545, 5185, 5385, 6001, 6305, 7057, 7289, 8001, 8353, 9217, 9481, 10289, 10689, 11665, 11961, 12865, 13313, 14401, 14729, 15729, 16225]