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 | 8 |
| 2 | 30 |
| 3 | 138 |
| 4 | 658 |
| 5 | 2620 |
| 6 | 3010 |
| 7 | 3168 |
| 8 | 3372 |
| 9 | 3462 |
| 10 | 8628 |
| 11 | 11940 |
| 12 | 17682 |
| 13 | 24918 |
| 14 | 27918 |
| 15 | 32560 |
| 16 | 39228 |
| 17 | 39790 |
| 18 | 40128 |
| 19 | 43608 |
| 20 | 48532 |
| 21 | 53268 |
| 22 | 55372 |
| 23 | 56040 |
| 24 | 56712 |
| 25 | 73362 |
| 26 | 85200 |
| 27 | 85888 |
| 28 | 90646 |
| 29 | 96052 |
| 30 | 101748 |
| 31 | 102652 |
| 32 | 104382 |
| 33 | 112068 |
| 34 | 113932 |
| 35 | 115330 |
| 36 | 119298 |
| 37 | 128518 |
| 38 | 129288 |
| 39 | 131500 |