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 | 7 |
| 2 | 13 |
| 3 | 19 |
| 4 | 43 |
| 5 | 71 |
| 6 | 617 |
| 7 | 643 |
| 8 | 1093 |
| 9 | 1483 |
| 10 | 1489 |
| 11 | 1609 |
| 12 | 1871 |
| 13 | 1877 |
| 14 | 2381 |
| 15 | 2687 |
| 16 | 3919 |
| 17 | 4003 |
| 18 | 5441 |
| 19 | 5651 |
| 20 | 5657 |
| 21 | 9463 |
| 22 | 11831 |
| 23 | 12109 |
| 24 | 14629 |
| 25 | 20357 |
| 26 | 21491 |
| 27 | 24107 |
| 28 | 26683 |
| 29 | 26713 |
| 30 | 32059 |
| 31 | 37571 |
| 32 | 41957 |
| 33 | 42407 |
| 34 | 44533 |
| 35 | 50591 |
| 36 | 55217 |
| 37 | 65717 |
| 38 | 68899 |
| 39 | 70001 |
| 40 | 79813 |
| 41 | 87557 |
| 42 | 88811 |
| 43 | 88817 |
| 44 | 103993 |
| 45 | 110923 |
| 46 | 112573 |
| 47 | 122029 |