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 | 23 |
| 2 | 743 |
| 3 | 983 |
| 4 | 1163 |
| 5 | 1373 |
| 6 | 1613 |
| 7 | 2663 |
| 8 | 4013 |
| 9 | 4643 |
| 10 | 6113 |
| 11 | 6863 |
| 12 | 7583 |
| 13 | 7673 |
| 14 | 8513 |
| 15 | 10313 |
| 16 | 10853 |
| 17 | 11243 |
| 18 | 12503 |
| 19 | 12713 |
| 20 | 15233 |
| 21 | 15263 |
| 22 | 25733 |
| 23 | 25763 |
| 24 | 28703 |
| 25 | 39623 |
| 26 | 40763 |
| 27 | 42743 |
| 28 | 46133 |
| 29 | 54623 |
| 30 | 56093 |
| 31 | 61643 |
| 32 | 63353 |
| 33 | 65003 |
| 34 | 67733 |
| 35 | 68813 |
| 36 | 70373 |
| 37 | 70913 |
| 38 | 71933 |
| 39 | 78893 |
| 40 | 86453 |