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 | 5 |
| 2 | 13 |
| 3 | 31 |
| 4 | 59 |
| 5 | 83 |
| 6 | 97 |
| 7 | 271 |
| 8 | 307 |
| 9 | 349 |
| 10 | 353 |
| 11 | 409 |
| 12 | 479 |
| 13 | 593 |
| 14 | 643 |
| 15 | 691 |
| 16 | 733 |
| 17 | 761 |
| 18 | 839 |
| 19 | 941 |
| 20 | 983 |
| 21 | 1151 |
| 22 | 1217 |
| 23 | 1259 |
| 24 | 1307 |
| 25 | 1567 |
| 26 | 1601 |
| 27 | 1721 |
| 28 | 1861 |
| 29 | 1867 |
| 30 | 1879 |
| 31 | 1931 |
| 32 | 2113 |
| 33 | 2243 |
| 34 | 2273 |
| 35 | 2309 |
| 36 | 2351 |
| 37 | 2371 |
| 38 | 2663 |
| 39 | 2719 |
| 40 | 2749 |
| 41 | 2777 |
| 42 | 2803 |
| 43 | 2819 |
| 44 | 2897 |
| 45 | 2953 |
| 46 | 2957 |