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) |
---|---|
9 | 1 |
10 | 9 |
11 | 54 |
12 | 246 |
13 | 945 |
14 | 3186 |
15 | 9729 |
16 | 27414 |
17 | 72315 |
18 | 180415 |
19 | 429156 |
20 | 979425 |
21 | 2155485 |
22 | 4593330 |
23 | 9510624 |
24 | 19188360 |
25 | 37815948 |
26 | 72950634 |
27 | 138002024 |
28 | 256405887 |
29 | 468550278 |
30 | 843138585 |
31 | 1495634373 |
32 | 2617905474 |
33 | 4525424256 |
34 | 7731765279 |
35 | 13065217956 |
36 | 21849902348 |
37 | 36184992984 |