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.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 0 |
4 | 1 |
5 | 1 |
6 | 0 |
7 | 1 |
8 | 2 |
9 | 3 |
10 | 0 |
11 | 1 |
12 | 3 |
13 | 10 |
14 | 15 |
15 | 0 |
16 | 1 |
17 | 4 |
18 | 21 |
19 | 80 |
20 | 105 |
21 | 0 |
22 | 1 |
23 | 5 |
24 | 36 |
25 | 231 |
26 | 880 |
27 | 945 |
28 | 0 |
29 | 1 |
30 | 6 |
31 | 55 |
32 | 504 |
33 | 3465 |
34 | 12320 |
35 | 10395 |
36 | 0 |
37 | 1 |
38 | 7 |
39 | 78 |
40 | 935 |
41 | 9576 |
42 | 65835 |
43 | 209440 |
44 | 135135 |
45 | 0 |
46 | 1 |
47 | 8 |
48 | 105 |
49 | 1560 |
50 | 21505 |
51 | 229824 |
52 | 1514205 |
53 | 4188800 |
54 | 2027025 |
55 | 0 |