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 | 3 |
| 2 | 9 |
| 3 | 51 |
| 4 | 97 |
| 5 | 133 |
| 6 | 146 |
| 7 | 160 |
| 8 | 172 |
| 9 | 191 |
| 10 | 206 |
| 11 | 240 |
| 12 | 261 |
| 13 | 273 |
| 14 | 313 |
| 15 | 342 |
| 16 | 362 |
| 17 | 396 |
| 18 | 415 |
| 19 | 440 |
| 20 | 470 |
| 21 | 483 |
| 22 | 502 |
| 23 | 516 |
| 24 | 536 |
| 25 | 565 |
| 26 | 593 |
| 27 | 615 |
| 28 | 640 |
| 29 | 660 |
| 30 | 677 |
| 31 | 693 |
| 32 | 724 |
| 33 | 750 |
| 34 | 784 |
| 35 | 796 |
| 36 | 807 |
| 37 | 832 |
| 38 | 853 |
| 39 | 902 |
| 40 | 949 |
| 41 | 963 |
| 42 | 985 |
| 43 | 1009 |
| 44 | 1038 |
| 45 | 1052 |
| 46 | 1073 |
| 47 | 1095 |
| 48 | 1113 |
| 49 | 1177 |