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 | 6 |
| 5 | 9 |
| 6 | 10 |
| 7 | 20 |
| 8 | 28 |
| 9 | 30 |
| 10 | 40 |
| 11 | 44 |
| 12 | 56 |
| 13 | 110 |
| 14 | 170 |
| 15 | 190 |
| 16 | 248 |
| 17 | 370 |
| 18 | 424 |
| 19 | 430 |
| 20 | 470 |
| 21 | 670 |
| 22 | 710 |
| 23 | 890 |
| 24 | 1310 |
| 25 | 1336 |
| 26 | 1384 |
| 27 | 1448 |
| 28 | 1590 |
| 29 | 1592 |
| 30 | 2110 |
| 31 | 2630 |
| 32 | 2770 |
| 33 | 2810 |
| 34 | 3590 |
| 35 | 3790 |
| 36 | 3832 |
| 37 | 3896 |
| 38 | 4168 |
| 39 | 4184 |
| 40 | 4420 |
| 41 | 5126 |
| 42 | 6010 |
| 43 | 7390 |
| 44 | 8110 |
| 45 | 9710 |
| 46 | 10090 |
| 47 | 10186 |
| 48 | 12310 |
| 49 | 13190 |
| 50 | 15710 |
| 51 | 16210 |