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 | 5 |
| 4 | 7 |
| 5 | 9 |
| 6 | 15 |
| 7 | 17 |
| 8 | 21 |
| 9 | 25 |
| 10 | 27 |
| 11 | 31 |
| 12 | 35 |
| 13 | 45 |
| 14 | 49 |
| 15 | 51 |
| 16 | 63 |
| 17 | 73 |
| 18 | 75 |
| 19 | 81 |
| 20 | 85 |
| 21 | 93 |
| 22 | 105 |
| 23 | 107 |
| 24 | 119 |
| 25 | 125 |
| 26 | 127 |
| 27 | 135 |
| 28 | 143 |
| 29 | 147 |
| 30 | 153 |
| 31 | 155 |
| 32 | 175 |
| 33 | 189 |
| 34 | 217 |
| 35 | 219 |
| 36 | 225 |
| 37 | 243 |
| 38 | 245 |
| 39 | 255 |
| 40 | 257 |
| 41 | 279 |
| 42 | 289 |
| 43 | 313 |
| 44 | 315 |
| 45 | 321 |
| 46 | 343 |
| 47 | 357 |
| 48 | 365 |
| 49 | 375 |
| 50 | 381 |
| 51 | 405 |
| 52 | 425 |
| 53 | 429 |
| 54 | 441 |
| 55 | 443 |
| 56 | 459 |
| 57 | 465 |
| 58 | 511 |
| 59 | 525 |
| 60 | 527 |
| 61 | 535 |