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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 13 |
| 6 | 21 |
| 7 | 31 |
| 8 | 45 |
| 9 | 66 |
| 10 | 81 |
| 11 | 97 |
| 12 | 123 |
| 13 | 148 |
| 14 | 182 |
| 15 | 204 |
| 16 | 252 |
| 17 | 291 |
| 18 | 324 |
| 19 | 352 |
| 20 | 415 |
| 21 | 486 |
| 22 | 540 |
| 23 | 651 |
| 24 | 706 |
| 25 | 792 |
| 26 | 838 |
| 27 | 928 |
| 28 | 1046 |
| 29 | 1134 |
| 30 | 1228 |
| 31 | 1358 |
| 32 | 1407 |
| 33 | 1512 |
| 34 | 1624 |
| 35 | 1869 |
| 36 | 1938 |
| 37 | 2087 |
| 38 | 2170 |
| 39 | 2367 |
| 40 | 2480 |
| 41 | 2608 |
| 42 | 2765 |
| 43 | 3033 |
| 44 | 3080 |
| 45 | 3232 |
| 46 | 3567 |
| 47 | 3605 |
| 48 | 3797 |
| 49 | 3950 |
| 50 | 4267 |
| 51 | 4505 |
| 52 | 4677 |
| 53 | 5064 |
| 54 | 5290 |
| 55 | 5480 |
| 56 | 5655 |
| 57 | 6059 |
| 58 | 6507 |
| 59 | 6892 |
| 60 | 6967 |