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 | 4 |
| 2 | 90 |
| 3 | 546 |
| 4 | 675 |
| 5 | 850 |
| 6 | 918 |
| 7 | 945 |
| 8 | 1026 |
| 9 | 1050 |
| 10 | 1134 |
| 11 | 1242 |
| 12 | 1365 |
| 13 | 1386 |
| 14 | 1575 |
| 15 | 1650 |
| 16 | 1750 |
| 17 | 1782 |
| 18 | 1950 |
| 19 | 2205 |
| 20 | 2295 |
| 21 | 2310 |
| 22 | 2450 |
| 23 | 2475 |
| 24 | 2646 |
| 25 | 2793 |
| 26 | 2850 |
| 27 | 3250 |
| 28 | 3366 |
| 29 | 3465 |
| 30 | 3626 |
| 31 | 3654 |
| 32 | 3762 |
| 33 | 3850 |
| 34 | 3969 |
| 35 | 3990 |
| 36 | 4218 |
| 37 | 4290 |
| 38 | 4374 |
| 39 | 4455 |
| 40 | 4510 |
| 41 | 4550 |
| 42 | 4650 |
| 43 | 4875 |
| 44 | 4998 |
| 45 | 5022 |
| 46 | 5166 |
| 47 | 5382 |
| 48 | 5390 |
| 49 | 5610 |