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 | 420 |
| 2 | 572 |
| 3 | 780 |
| 4 | 840 |
| 5 | 924 |
| 6 | 1020 |
| 7 | 1292 |
| 8 | 1596 |
| 9 | 1680 |
| 10 | 1716 |
| 11 | 1848 |
| 12 | 1932 |
| 13 | 2100 |
| 14 | 2145 |
| 15 | 2244 |
| 16 | 2300 |
| 17 | 2484 |
| 18 | 2520 |
| 19 | 2640 |
| 20 | 2652 |
| 21 | 2700 |
| 22 | 2900 |
| 23 | 2964 |
| 24 | 3080 |
| 25 | 3132 |
| 26 | 3315 |
| 27 | 3348 |
| 28 | 3432 |
| 29 | 3465 |
| 30 | 3596 |
| 31 | 3640 |
| 32 | 3828 |
| 33 | 3876 |
| 34 | 3960 |
| 35 | 4060 |
| 36 | 4092 |
| 37 | 4095 |
| 38 | 4340 |
| 39 | 4488 |
| 40 | 4588 |
| 41 | 4620 |
| 42 | 4680 |
| 43 | 4692 |