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 | 3 |
2 | 7 |
3 | 19 |
4 | 53 |
5 | 155 |
6 | 459 |
7 | 1371 |
8 | 4105 |
9 | 12307 |
10 | 36911 |
11 | 110723 |
12 | 332157 |
13 | 996459 |
14 | 2989363 |
15 | 8968075 |
16 | 26904209 |
17 | 80712611 |
18 | 242137815 |
19 | 726413427 |
20 | 2179240261 |
21 | 6537720763 |
22 | 19613162267 |
23 | 58839486779 |
24 | 176518460313 |
25 | 529555380915 |
26 | 1588666142719 |
27 | 4765998428131 |