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) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 13 |
4 | 55 |
5 | 231 |
6 | 981 |
7 | 4222 |
8 | 18351 |
9 | 80320 |
10 | 353453 |
11 | 1562364 |
12 | 6932185 |
13 | 30856541 |
14 | 137725710 |
15 | 616190583 |
16 | 2762605791 |
17 | 12408541299 |
18 | 55825435656 |
19 | 251523510045 |
20 | 1134741006825 |
21 | 5125453110196 |
22 | 23175983361270 |
23 | 104899547541255 |
24 | 475228898015025 |
25 | 2154737528486881 |
26 | 9777332125043577 |