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 | 6 |
| 2 | 15 |
| 3 | 21 |
| 4 | 33 |
| 5 | 35 |
| 6 | 55 |
| 7 | 65 |
| 8 | 77 |
| 9 | 85 |
| 10 | 91 |
| 11 | 133 |
| 12 | 143 |
| 13 | 145 |
| 14 | 155 |
| 15 | 161 |
| 16 | 187 |
| 17 | 209 |
| 18 | 217 |
| 19 | 221 |
| 20 | 247 |
| 21 | 253 |
| 22 | 265 |
| 23 | 299 |
| 24 | 301 |
| 25 | 323 |
| 26 | 341 |
| 27 | 377 |
| 28 | 391 |
| 29 | 403 |
| 30 | 415 |
| 31 | 437 |
| 32 | 451 |
| 33 | 481 |
| 34 | 493 |
| 35 | 533 |
| 36 | 545 |
| 37 | 551 |
| 38 | 553 |
| 39 | 559 |
| 40 | 581 |
| 41 | 589 |
| 42 | 611 |
| 43 | 629 |
| 44 | 667 |
| 45 | 671 |
| 46 | 689 |
| 47 | 697 |
| 48 | 703 |
| 49 | 713 |
| 50 | 781 |
| 51 | 793 |
| 52 | 799 |
| 53 | 817 |
| 54 | 893 |
| 55 | 899 |
| 56 | 901 |