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 | 63 |
| 3 | 154 |
| 4 | 155 |
| 5 | 323 |
| 6 | 579 |
| 7 | 583 |
| 8 | 903 |
| 9 | 978 |
| 10 | 1023 |
| 11 | 2019 |
| 12 | 2499 |
| 13 | 3503 |
| 14 | 5174 |
| 15 | 5183 |
| 16 | 5379 |
| 17 | 8234 |
| 18 | 9603 |
| 19 | 11534 |
| 20 | 12415 |
| 21 | 14718 |
| 22 | 16383 |
| 23 | 20454 |
| 24 | 20538 |
| 25 | 26243 |
| 26 | 31930 |
| 27 | 39999 |
| 28 | 46814 |
| 29 | 58563 |
| 30 | 69719 |
| 31 | 82943 |
| 32 | 90218 |
| 33 | 93995 |
| 34 | 96663 |
| 35 | 102943 |
| 36 | 114243 |
| 37 | 117998 |
| 38 | 118979 |
| 39 | 124118 |
| 40 | 135814 |
| 41 | 138490 |
| 42 | 149879 |