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 | 3277 |
3 | 478297 |
4 | 15790321 |
5 | 234750601 |
6 | 2117950381 |
7 | 13564461457 |
8 | 67662254017 |
9 | 278985273841 |
10 | 990099009901 |
11 | 3112703553961 |
12 | 8854610100337 |
13 | 23161037562937 |
14 | 56406126018061 |
15 | 129172239050401 |
16 | 280379743338241 |
17 | 580613195032417 |
18 | 1153271900252557 |
19 | 2207200789455481 |