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 | 1 |
| 4 | 33 |
| 5 | 1 |
| 6 | 276 |
| 7 | 1 |
| 8 | 1057 |
| 9 | 244 |
| 10 | 3158 |
| 11 | 1 |
| 12 | 9076 |
| 13 | 1 |
| 14 | 16840 |
| 15 | 3369 |
| 16 | 33825 |
| 17 | 1 |
| 18 | 67101 |
| 19 | 1 |
| 20 | 104182 |
| 21 | 17051 |
| 22 | 161084 |
| 23 | 1 |
| 24 | 290676 |
| 25 | 3126 |
| 26 | 371326 |
| 27 | 59293 |
| 28 | 555688 |
| 29 | 1 |
| 30 | 870552 |
| 31 | 1 |
| 32 | 1082401 |
| 33 | 161295 |
| 34 | 1419890 |
| 35 | 19933 |
| 36 | 2206525 |
| 37 | 1 |
| 38 | 2476132 |
| 39 | 371537 |
| 40 | 3336950 |
| 41 | 1 |
| 42 | 4646784 |
| 43 | 1 |
| 44 | 5315740 |
| 45 | 821793 |
| 46 | 6436376 |
| 47 | 1 |
| 48 | 9301876 |
| 49 | 16808 |
| 50 | 9868783 |