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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 1 |
| 6 | 1 |
| 7 | 21 |
| 8 | 9 |
| 9 | 1 |
| 10 | 1 |
| 11 | 184 |
| 12 | 90 |
| 13 | 16 |
| 14 | 1 |
| 15 | 1 |
| 16 | 2425 |
| 17 | 1210 |
| 18 | 250 |
| 19 | 25 |
| 20 | 1 |
| 21 | 1 |
| 22 | 42396 |
| 23 | 21195 |
| 24 | 4640 |
| 25 | 555 |
| 26 | 36 |
| 27 | 1 |
| 28 | 1 |
| 29 | 916909 |
| 30 | 458451 |
| 31 | 103355 |
| 32 | 13475 |
| 33 | 1071 |
| 34 | 49 |
| 35 | 1 |
| 36 | 1 |
| 37 | 23569456 |
| 38 | 11784724 |
| 39 | 2705696 |
| 40 | 370790 |
| 41 | 32816 |
| 42 | 1876 |
| 43 | 64 |
| 44 | 1 |
| 45 | 1 |
| 46 | 701312049 |
| 47 | 350656020 |
| 48 | 81531156 |
| 49 | 11544246 |
| 50 | 1091286 |
| 51 | 70644 |
| 52 | 3060 |
| 53 | 81 |
| 54 | 1 |
| 55 | 1 |
| 56 | 23697421300 |
| 57 | 11848710645 |
| 58 | 2780716800 |
| 59 | 402965850 |
| 60 | 39827592 |
| 61 | 2789850 |
| 62 | 138720 |
| 63 | 4725 |
| 64 | 100 |
| 65 | 1 |