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 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 7 |
| 6 | 9 |
| 7 | 14 |
| 8 | 15 |
| 9 | 16 |
| 10 | 19 |
| 11 | 22 |
| 12 | 30 |
| 13 | 38 |
| 14 | 44 |
| 15 | 55 |
| 16 | 64 |
| 17 | 79 |
| 18 | 81 |
| 19 | 90 |
| 20 | 91 |
| 21 | 93 |
| 22 | 94 |
| 23 | 96 |
| 24 | 101 |
| 25 | 113 |
| 26 | 115 |
| 27 | 117 |
| 28 | 118 |
| 29 | 121 |
| 30 | 122 |
| 31 | 123 |
| 32 | 124 |
| 33 | 125 |
| 34 | 133 |
| 35 | 142 |
| 36 | 148 |
| 37 | 163 |
| 38 | 173 |
| 39 | 176 |
| 40 | 178 |
| 41 | 182 |
| 42 | 183 |
| 43 | 185 |
| 44 | 189 |
| 45 | 190 |
| 46 | 199 |
| 47 | 205 |
| 48 | 206 |
| 49 | 208 |
| 50 | 223 |
| 51 | 226 |
| 52 | 232 |
| 53 | 239 |
| 54 | 240 |
| 55 | 251 |
| 56 | 253 |
| 57 | 255 |
| 58 | 263 |