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 | 2 |
| 1 | 5 |
| 2 | 8 |
| 3 | 17 |
| 4 | 20 |
| 5 | 32 |
| 6 | 65 |
| 7 | 68 |
| 8 | 80 |
| 9 | 128 |
| 10 | 257 |
| 11 | 260 |
| 12 | 272 |
| 13 | 320 |
| 14 | 512 |
| 15 | 1025 |
| 16 | 1028 |
| 17 | 1040 |
| 18 | 1088 |
| 19 | 1280 |
| 20 | 2048 |
| 21 | 4097 |
| 22 | 4100 |
| 23 | 4112 |
| 24 | 4160 |
| 25 | 4352 |
| 26 | 5120 |
| 27 | 8192 |
| 28 | 16385 |
| 29 | 16388 |
| 30 | 16400 |
| 31 | 16448 |
| 32 | 16640 |
| 33 | 17408 |
| 34 | 20480 |
| 35 | 32768 |
| 36 | 65537 |
| 37 | 65540 |
| 38 | 65552 |
| 39 | 65600 |
| 40 | 65792 |
| 41 | 66560 |
| 42 | 69632 |
| 43 | 81920 |
| 44 | 131072 |