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 | 11 |
| 2 | 45 |
| 3 | 119 |
| 4 | 249 |
| 5 | 451 |
| 6 | 741 |
| 7 | 1135 |
| 8 | 1649 |
| 9 | 2299 |
| 10 | 3101 |
| 11 | 4071 |
| 12 | 5225 |
| 13 | 6579 |
| 14 | 8149 |
| 15 | 9951 |
| 16 | 12001 |
| 17 | 14315 |
| 18 | 16909 |
| 19 | 19799 |
| 20 | 23001 |
| 21 | 26531 |
| 22 | 30405 |
| 23 | 34639 |
| 24 | 39249 |
| 25 | 44251 |
| 26 | 49661 |
| 27 | 55495 |
| 28 | 61769 |
| 29 | 68499 |
| 30 | 75701 |
| 31 | 83391 |
| 32 | 91585 |
| 33 | 100299 |
| 34 | 109549 |
| 35 | 119351 |
| 36 | 129721 |
| 37 | 140675 |
| 38 | 152229 |
| 39 | 164399 |