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 | 7 |
| 4 | 13 |
| 5 | 23 |
| 6 | 35 |
| 7 | 51 |
| 8 | 69 |
| 9 | 91 |
| 10 | 119 |
| 11 | 149 |
| 12 | 185 |
| 13 | 225 |
| 14 | 267 |
| 15 | 313 |
| 16 | 365 |
| 17 | 423 |
| 18 | 483 |
| 19 | 549 |
| 20 | 619 |
| 21 | 691 |
| 22 | 769 |
| 23 | 851 |
| 24 | 939 |
| 25 | 1035 |
| 26 | 1135 |
| 27 | 1237 |
| 28 | 1343 |
| 29 | 1451 |
| 30 | 1563 |
| 31 | 1689 |
| 32 | 1819 |
| 33 | 1955 |
| 34 | 2093 |
| 35 | 2241 |
| 36 | 2391 |
| 37 | 2547 |
| 38 | 2709 |
| 39 | 2875 |
| 40 | 3047 |
| 41 | 3225 |
| 42 | 3405 |
| 43 | 3595 |
| 44 | 3787 |
| 45 | 3983 |
| 46 | 4181 |
| 47 | 4391 |
| 48 | 4613 |
| 49 | 4839 |