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 | 135 |
| 2 | 140 |
| 3 | 285 |
| 4 | 435 |
| 5 | 455 |
| 6 | 675 |
| 7 | 700 |
| 8 | 855 |
| 9 | 885 |
| 10 | 910 |
| 11 | 945 |
| 12 | 980 |
| 13 | 1120 |
| 14 | 1185 |
| 15 | 1305 |
| 16 | 1335 |
| 17 | 1365 |
| 18 | 1425 |
| 19 | 1435 |
| 20 | 1485 |
| 21 | 1540 |
| 22 | 1635 |
| 23 | 1755 |
| 24 | 1820 |
| 25 | 1995 |
| 26 | 2085 |
| 27 | 2175 |
| 28 | 2235 |
| 29 | 2275 |
| 30 | 2295 |
| 31 | 2380 |
| 32 | 2565 |
| 33 | 2574 |
| 34 | 2655 |
| 35 | 2660 |
| 36 | 2685 |
| 37 | 2870 |
| 38 | 2905 |
| 39 | 2985 |
| 40 | 3045 |
| 41 | 3105 |
| 42 | 3135 |
| 43 | 3185 |
| 44 | 3220 |
| 45 | 3311 |
| 46 | 3375 |
| 47 | 3395 |
| 48 | 3435 |
| 49 | 3500 |
| 50 | 3555 |
| 51 | 3585 |
| 52 | 3640 |
| 53 | 3705 |
| 54 | 3915 |
| 55 | 4005 |