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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 9 |
| 5 | 12 |
| 6 | 107 |
| 7 | 109 |
| 8 | 120 |
| 9 | 244 |
| 10 | 337 |
| 11 | 381 |
| 12 | 407 |
| 13 | 565 |
| 14 | 592 |
| 15 | 937 |
| 16 | 1209 |
| 17 | 1224 |
| 18 | 1341 |
| 19 | 1717 |
| 20 | 2032 |
| 21 | 2402 |
| 22 | 3280 |
| 23 | 4957 |
| 24 | 5149 |
| 25 | 5265 |
| 26 | 5644 |
| 27 | 7065 |
| 28 | 7240 |
| 29 | 8181 |
| 30 | 8820 |
| 31 | 9712 |
| 32 | 10732 |
| 33 | 11901 |
| 34 | 15059 |
| 35 | 18300 |
| 36 | 19120 |
| 37 | 20436 |
| 38 | 22672 |
| 39 | 24516 |
| 40 | 25139 |
| 41 | 28044 |
| 42 | 28550 |
| 43 | 36145 |
| 44 | 38221 |
| 45 | 66201 |
| 46 | 72335 |
| 47 | 77100 |