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 | 15 |
| 3 | 36 |
| 4 | 66 |
| 5 | 96 |
| 6 | 130 |
| 7 | 164 |
| 8 | 204 |
| 9 | 248 |
| 10 | 296 |
| 11 | 344 |
| 12 | 396 |
| 13 | 448 |
| 14 | 504 |
| 15 | 560 |
| 16 | 620 |
| 17 | 680 |
| 18 | 744 |
| 19 | 808 |
| 20 | 876 |
| 21 | 944 |
| 22 | 1016 |
| 23 | 1088 |
| 24 | 1164 |
| 25 | 1240 |
| 26 | 1320 |
| 27 | 1400 |
| 28 | 1484 |
| 29 | 1568 |
| 30 | 1656 |
| 31 | 1744 |
| 32 | 1836 |
| 33 | 1928 |
| 34 | 2024 |
| 35 | 2120 |
| 36 | 2220 |
| 37 | 2320 |
| 38 | 2424 |
| 39 | 2528 |
| 40 | 2636 |
| 41 | 2744 |
| 42 | 2856 |
| 43 | 2968 |
| 44 | 3084 |
| 45 | 3200 |
| 46 | 3320 |
| 47 | 3440 |