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 | 4 |
| 2 | 27 |
| 3 | 69 |
| 4 | 148 |
| 5 | 255 |
| 6 | 417 |
| 7 | 616 |
| 8 | 888 |
| 9 | 1206 |
| 10 | 1615 |
| 11 | 2079 |
| 12 | 2652 |
| 13 | 3289 |
| 14 | 4053 |
| 15 | 4890 |
| 16 | 5872 |
| 17 | 6936 |
| 18 | 8163 |
| 19 | 9481 |
| 20 | 10980 |
| 21 | 12579 |
| 22 | 14377 |
| 23 | 16284 |
| 24 | 18408 |
| 25 | 20650 |
| 26 | 23127 |
| 27 | 25731 |
| 28 | 28588 |
| 29 | 31581 |
| 30 | 34845 |
| 31 | 38254 |
| 32 | 41952 |
| 33 | 45804 |
| 34 | 49963 |
| 35 | 54285 |
| 36 | 58932 |
| 37 | 63751 |
| 38 | 68913 |
| 39 | 74256 |
| 40 | 79960 |