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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 5 |
| 5 | 14 |
| 6 | 244 |
| 7 | 365 |
| 8 | 434 |
| 9 | 854 |
| 10 | 2294 |
| 11 | 3794 |
| 12 | 5966 |
| 13 | 7874 |
| 14 | 10877 |
| 15 | 26474 |
| 16 | 33914 |
| 17 | 117614 |
| 18 | 188774 |
| 19 | 231434 |
| 20 | 284354 |
| 21 | 487634 |
| 22 | 501038 |
| 23 | 589154 |
| 24 | 593774 |
| 25 | 621674 |
| 26 | 755594 |
| 27 | 1255814 |
| 28 | 1306934 |
| 29 | 1642094 |
| 30 | 1911194 |
| 31 | 2193124 |
| 32 | 2434754 |
| 33 | 2484674 |
| 34 | 2507834 |
| 35 | 2621654 |
| 36 | 2643494 |
| 37 | 3512114 |
| 38 | 3759854 |
| 39 | 3997574 |
| 40 | 4082246 |