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 | 21 |
| 2 | 41 |
| 3 | 65 |
| 4 | 93 |
| 5 | 125 |
| 6 | 161 |
| 7 | 201 |
| 8 | 245 |
| 9 | 293 |
| 10 | 345 |
| 11 | 401 |
| 12 | 461 |
| 13 | 525 |
| 14 | 593 |
| 15 | 665 |
| 16 | 741 |
| 17 | 821 |
| 18 | 905 |
| 19 | 993 |
| 20 | 1085 |
| 21 | 1181 |
| 22 | 1281 |
| 23 | 1385 |
| 24 | 1493 |
| 25 | 1605 |
| 26 | 1721 |
| 27 | 1841 |
| 28 | 1965 |
| 29 | 2093 |
| 30 | 2225 |
| 31 | 2361 |
| 32 | 2501 |
| 33 | 2645 |
| 34 | 2793 |
| 35 | 2945 |
| 36 | 3101 |
| 37 | 3261 |
| 38 | 3425 |
| 39 | 3593 |
| 40 | 3765 |
| 41 | 3941 |
| 42 | 4121 |
| 43 | 4305 |
| 44 | 4493 |
| 45 | 4685 |
| 46 | 4881 |