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) |
|---|---|
| 0 | -1 |
| 1 | -2 |
| 2 | 15 |
| 3 | 74 |
| 4 | 199 |
| 5 | 414 |
| 6 | 743 |
| 7 | 1210 |
| 8 | 1839 |
| 9 | 2654 |
| 10 | 3679 |
| 11 | 4938 |
| 12 | 6455 |
| 13 | 8254 |
| 14 | 10359 |
| 15 | 12794 |
| 16 | 15583 |
| 17 | 18750 |
| 18 | 22319 |
| 19 | 26314 |
| 20 | 30759 |
| 21 | 35678 |
| 22 | 41095 |
| 23 | 47034 |
| 24 | 53519 |
| 25 | 60574 |
| 26 | 68223 |
| 27 | 76490 |
| 28 | 85399 |
| 29 | 94974 |
| 30 | 105239 |
| 31 | 116218 |
| 32 | 127935 |
| 33 | 140414 |
| 34 | 153679 |
| 35 | 167754 |
| 36 | 182663 |
| 37 | 198430 |
| 38 | 215079 |
| 39 | 232634 |
| 40 | 251119 |