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 | 101 |
| 2 | 113 |
| 3 | 131 |
| 4 | 151 |
| 5 | 181 |
| 6 | 191 |
| 7 | 211 |
| 8 | 311 |
| 9 | 811 |
| 10 | 911 |
| 11 | 1117 |
| 12 | 1151 |
| 13 | 1171 |
| 14 | 1181 |
| 15 | 1511 |
| 16 | 1811 |
| 17 | 2111 |
| 18 | 4111 |
| 19 | 8111 |
| 20 | 10111 |
| 21 | 11113 |
| 22 | 11117 |
| 23 | 11119 |
| 24 | 11131 |
| 25 | 11161 |
| 26 | 11171 |
| 27 | 11311 |
| 28 | 11411 |
| 29 | 16111 |
| 30 | 101111 |
| 31 | 111119 |
| 32 | 111121 |
| 33 | 111191 |
| 34 | 111211 |
| 35 | 111611 |
| 36 | 112111 |
| 37 | 113111 |
| 38 | 131111 |
| 39 | 311111 |
| 40 | 511111 |