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 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 6 |
| 5 | 9 |
| 6 | 14 |
| 7 | 20 |
| 8 | 28 |
| 9 | 37 |
| 10 | 49 |
| 11 | 64 |
| 12 | 81 |
| 13 | 99 |
| 14 | 121 |
| 15 | 145 |
| 16 | 172 |
| 17 | 202 |
| 18 | 236 |
| 19 | 272 |
| 20 | 311 |
| 21 | 353 |
| 22 | 399 |
| 23 | 447 |
| 24 | 499 |
| 25 | 556 |
| 26 | 617 |
| 27 | 682 |
| 28 | 750 |
| 29 | 821 |
| 30 | 894 |
| 31 | 971 |
| 32 | 1052 |
| 33 | 1136 |
| 34 | 1224 |
| 35 | 1316 |
| 36 | 1411 |
| 37 | 1510 |
| 38 | 1615 |
| 39 | 1723 |
| 40 | 1834 |
| 41 | 1948 |
| 42 | 2067 |
| 43 | 2191 |
| 44 | 2317 |
| 45 | 2447 |
| 46 | 2583 |
| 47 | 2725 |
| 48 | 2872 |
| 49 | 3022 |
| 50 | 3177 |
| 51 | 3335 |