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) |
|---|---|
| 2 | 1 |
| 3 | 3 |
| 4 | 9 |
| 5 | 13 |
| 6 | 23 |
| 7 | 29 |
| 8 | 43 |
| 9 | 67 |
| 10 | 76 |
| 11 | 106 |
| 12 | 128 |
| 13 | 140 |
| 14 | 166 |
| 15 | 208 |
| 16 | 253 |
| 17 | 269 |
| 18 | 320 |
| 19 | 356 |
| 20 | 375 |
| 21 | 435 |
| 22 | 477 |
| 23 | 543 |
| 24 | 635 |
| 25 | 683 |
| 26 | 708 |
| 27 | 760 |
| 28 | 787 |
| 29 | 843 |
| 30 | 1046 |
| 31 | 1106 |
| 32 | 1199 |
| 33 | 1231 |
| 34 | 1396 |
| 35 | 1430 |
| 36 | 1535 |
| 37 | 1643 |
| 38 | 1717 |
| 39 | 1831 |
| 40 | 1948 |
| 41 | 1988 |
| 42 | 2193 |
| 43 | 2235 |
| 44 | 2321 |
| 45 | 2365 |
| 46 | 2635 |
| 47 | 2911 |
| 48 | 3005 |