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 | 4 |
| 1 | 6 |
| 2 | 15 |
| 3 | 65 |
| 4 | 77 |
| 5 | 133 |
| 6 | 91 |
| 7 | 319 |
| 8 | 209 |
| 9 | 341 |
| 10 | 299 |
| 11 | 481 |
| 12 | 493 |
| 13 | 799 |
| 14 | 527 |
| 15 | 1007 |
| 16 | 1139 |
| 17 | 2449 |
| 18 | 703 |
| 19 | 3611 |
| 20 | 989 |
| 21 | 1541 |
| 22 | 1643 |
| 23 | 3589 |
| 24 | 1537 |
| 25 | 2407 |
| 26 | 2747 |
| 27 | 2759 |
| 28 | 1829 |
| 29 | 3811 |
| 30 | 1891 |
| 31 | 4633 |
| 32 | 2993 |
| 33 | 3959 |
| 34 | 2627 |
| 35 | 4033 |
| 36 | 2701 |
| 37 | 6157 |
| 38 | 3239 |
| 39 | 9073 |
| 40 | 3569 |
| 41 | 5461 |
| 42 | 4183 |
| 43 | 6439 |
| 44 | 5141 |
| 45 | 6533 |