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 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 2 |
| 5 | 1 |
| 6 | 0 |
| 7 | 9 |
| 8 | 4 |
| 9 | 1 |
| 10 | 0 |
| 11 | 64 |
| 12 | 30 |
| 13 | 6 |
| 14 | 1 |
| 15 | 0 |
| 16 | 625 |
| 17 | 332 |
| 18 | 63 |
| 19 | 8 |
| 20 | 1 |
| 21 | 0 |
| 22 | 7776 |
| 23 | 4880 |
| 24 | 948 |
| 25 | 108 |
| 26 | 10 |
| 27 | 1 |
| 28 | 0 |
| 29 | 117649 |
| 30 | 89742 |
| 31 | 18645 |
| 32 | 2056 |
| 33 | 165 |
| 34 | 12 |
| 35 | 1 |
| 36 | 0 |
| 37 | 2097152 |
| 38 | 1986124 |
| 39 | 454158 |
| 40 | 50680 |
| 41 | 3800 |
| 42 | 234 |
| 43 | 14 |
| 44 | 1 |
| 45 | 0 |
| 46 | 43046721 |
| 47 | 51471800 |
| 48 | 13221075 |
| 49 | 1537524 |
| 50 | 112625 |
| 51 | 6324 |
| 52 | 315 |
| 53 | 16 |
| 54 | 1 |
| 55 | 0 |
| 56 | 1000000000 |
| 57 | 1530489744 |
| 58 | 448434136 |
| 59 | 55494712 |
| 60 | 4090980 |
| 61 | 219000 |
| 62 | 9772 |
| 63 | 408 |
| 64 | 18 |
| 65 | 1 |
| 66 | 0 |
| 67 | 25937424601 |
| 68 | 51395228090 |
| 69 | 17386204761 |
| 70 | 2325685632 |
| 71 | 176238685 |
| 72 | 9266706 |
| 73 | 387205 |
| 74 | 14288 |
| 75 | 513 |
| 76 | 20 |
| 77 | 1 |