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.

A246521 List of free polyominoes in binary coding, ordered by number of bits, then value of the binary code. Can be read as irregular table with row lengths A000105 (in which case the offset is 0).

Table of values

n a(n)
1 0
2 1
3 3
4 7
5 11
6 15
7 23
8 27
9 30
10 75
11 31
12 47
13 62
14 79
15 91
16 94
17 143
18 181
19 182
20 188
21 406
22 1099
23 63
24 95
25 111
26 126
27 159
28 175
29 183
30 189
31 190
32 207
33 219
34 221
35 222
36 252
37 347
38 350
39 378
40 407
41 413
42 476
43 504
44 1103
45 1115
46 1118
47 1227
48 1244
49 2127
50 2229
51 2230
52 2236
53 2292
54 2451
55 2454
56 2460
57 33867
58 127

List of values

[0, 1, 3, 7, 11, 15, 23, 27, 30, 75, 31, 47, 62, 79, 91, 94, 143, 181, 182, 188, 406, 1099, 63, 95, 111, 126, 159, 175, 183, 189, 190, 207, 219, 221, 222, 252, 347, 350, 378, 407, 413, 476, 504, 1103, 1115, 1118, 1227, 1244, 2127, 2229, 2230, 2236, 2292, 2451, 2454, 2460, 33867, 127]