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 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 6 |
| 8 | 1024 |
| 9 | 1025 |
| 10 | 1026 |
| 11 | 1027 |
| 12 | 1028 |
| 13 | 1029 |
| 14 | 2048 |
| 15 | 2049 |
| 16 | 2050 |
| 17 | 2051 |
| 18 | 2052 |
| 19 | 3072 |
| 20 | 3073 |
| 21 | 3074 |
| 22 | 3075 |
| 23 | 4096 |
| 24 | 4097 |
| 25 | 4098 |
| 26 | 5120 |
| 27 | 5121 |
| 28 | 6144 |
| 29 | 59049 |
| 30 | 59050 |
| 31 | 59051 |
| 32 | 59052 |
| 33 | 59053 |
| 34 | 59054 |
| 35 | 60073 |
| 36 | 60074 |
| 37 | 60075 |
| 38 | 60076 |
| 39 | 60077 |
| 40 | 61097 |
| 41 | 61098 |
| 42 | 61099 |
| 43 | 61100 |