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 | 20 |
| 2 | 46 |
| 3 | 160 |
| 4 | 352 |
| 5 | 940 |
| 6 | 1822 |
| 7 | 3670 |
| 8 | 5284 |
| 9 | 10510 |
| 10 | 11800 |
| 11 | 19192 |
| 12 | 22678 |
| 13 | 32590 |
| 14 | 37060 |
| 15 | 39430 |
| 16 | 52222 |
| 17 | 57868 |
| 18 | 73180 |
| 19 | 79834 |
| 20 | 97690 |
| 21 | 121522 |
| 22 | 176830 |
| 23 | 187084 |
| 24 | 213964 |
| 25 | 273052 |
| 26 | 325498 |
| 27 | 360616 |
| 28 | 382564 |
| 29 | 412822 |
| 30 | 436408 |
| 31 | 656920 |
| 32 | 676510 |
| 33 | 686440 |
| 34 | 737044 |
| 35 | 778942 |
| 36 | 1041430 |
| 37 | 1066072 |
| 38 | 1103560 |
| 39 | 1128934 |
| 40 | 1193614 |
| 41 | 1328332 |
| 42 | 1514176 |
| 43 | 1634572 |
| 44 | 1665400 |
| 45 | 1696522 |
| 46 | 1743826 |
| 47 | 2040634 |
| 48 | 2109784 |
| 49 | 2197810 |
| 50 | 2215750 |