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 | 31 |
| 2 | 421 |
| 3 | 811 |
| 4 | 941 |
| 5 | 1201 |
| 6 | 1721 |
| 7 | 2111 |
| 8 | 2371 |
| 9 | 3541 |
| 10 | 3671 |
| 11 | 3931 |
| 12 | 4451 |
| 13 | 5101 |
| 14 | 5231 |
| 15 | 5881 |
| 16 | 6011 |
| 17 | 6271 |
| 18 | 6661 |
| 19 | 6791 |
| 20 | 8221 |
| 21 | 8741 |
| 22 | 9001 |
| 23 | 9391 |
| 24 | 9521 |
| 25 | 9781 |
| 26 | 10301 |
| 27 | 10691 |
| 28 | 11471 |
| 29 | 11731 |
| 30 | 12251 |
| 31 | 12511 |
| 32 | 12641 |
| 33 | 13291 |
| 34 | 13421 |
| 35 | 13681 |
| 36 | 14071 |
| 37 | 14461 |
| 38 | 14591 |
| 39 | 14851 |
| 40 | 15241 |
| 41 | 15761 |