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 | 41 |
| 2 | 251 |
| 3 | 461 |
| 4 | 881 |
| 5 | 1091 |
| 6 | 1301 |
| 7 | 1511 |
| 8 | 1721 |
| 9 | 1931 |
| 10 | 2141 |
| 11 | 2351 |
| 12 | 3191 |
| 13 | 3821 |
| 14 | 4241 |
| 15 | 4451 |
| 16 | 4871 |
| 17 | 5081 |
| 18 | 5501 |
| 19 | 5711 |
| 20 | 6131 |
| 21 | 6551 |
| 22 | 6761 |
| 23 | 6971 |
| 24 | 8231 |
| 25 | 8861 |
| 26 | 9281 |
| 27 | 9491 |
| 28 | 10331 |
| 29 | 11171 |
| 30 | 11801 |
| 31 | 12011 |
| 32 | 12641 |
| 33 | 13691 |
| 34 | 13901 |
| 35 | 14321 |
| 36 | 14741 |
| 37 | 14951 |
| 38 | 15161 |
| 39 | 15581 |