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 | 276 |
| 2 | 552 |
| 3 | 564 |
| 4 | 660 |
| 5 | 966 |
| 6 | 1074 |
| 7 | 1134 |
| 8 | 1464 |
| 9 | 1476 |
| 10 | 1488 |
| 11 | 1512 |
| 12 | 1560 |
| 13 | 1578 |
| 14 | 1632 |
| 15 | 1734 |
| 16 | 1920 |
| 17 | 1992 |
| 18 | 2232 |
| 19 | 2340 |
| 20 | 2360 |
| 21 | 2484 |
| 22 | 2514 |
| 23 | 2664 |
| 24 | 2712 |
| 25 | 2982 |
| 26 | 3270 |
| 27 | 3366 |
| 28 | 3408 |
| 29 | 3432 |
| 30 | 3564 |
| 31 | 3678 |
| 32 | 3774 |
| 33 | 3876 |
| 34 | 3906 |
| 35 | 4116 |
| 36 | 4224 |
| 37 | 4290 |
| 38 | 4350 |
| 39 | 4380 |
| 40 | 4788 |
| 41 | 4800 |
| 42 | 4842 |