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 | 48 |
| 2 | 201 |
| 3 | 310 |
| 4 | 1894 |
| 5 | 5321 |
| 6 | 12706 |
| 7 | 19475 |
| 8 | 38759 |
| 9 | 16151 |
| 10 | 23120 |
| 11 | 16496 |
| 12 | 49145 |
| 13 | 108244 |
| 14 | 499453 |
| 15 | 3436777 |
| 16 | 10278262 |
| 17 | 33836945 |
| 18 | 240512002 |
| 19 | 913716328 |
| 20 | 939389234 |
| 21 | 3295603306 |
| 22 | 27693125191 |
| 23 | 43752137122 |
| 24 | 225022142762 |
| 25 | 2016929822398 |
| 26 | 21026295155804 |
| 27 | 66261353668847 |
| 28 | 675731396348989 |