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 | 251 |
| 2 | 571 |
| 3 | 971 |
| 4 | 1181 |
| 5 | 1811 |
| 6 | 2011 |
| 7 | 2381 |
| 8 | 2411 |
| 9 | 3221 |
| 10 | 3251 |
| 11 | 3301 |
| 12 | 3821 |
| 13 | 4211 |
| 14 | 4861 |
| 15 | 4931 |
| 16 | 5021 |
| 17 | 5381 |
| 18 | 5861 |
| 19 | 6221 |
| 20 | 6571 |
| 21 | 6581 |
| 22 | 8461 |
| 23 | 8501 |
| 24 | 9091 |
| 25 | 9461 |
| 26 | 10061 |
| 27 | 10211 |
| 28 | 10781 |
| 29 | 11251 |
| 30 | 11701 |
| 31 | 11941 |
| 32 | 12541 |
| 33 | 13171 |
| 34 | 13381 |
| 35 | 13421 |
| 36 | 13781 |
| 37 | 14251 |
| 38 | 15541 |
| 39 | 16091 |
| 40 | 16141 |
| 41 | 16451 |
| 42 | 16661 |
| 43 | 16691 |
| 44 | 16811 |
| 45 | 17291 |