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) |
|---|---|
| 0 | 1 |
| 1 | 50 |
| 2 | 190 |
| 3 | 400 |
| 4 | 680 |
| 5 | 1030 |
| 6 | 1450 |
| 7 | 1940 |
| 8 | 2500 |
| 9 | 3130 |
| 10 | 3830 |
| 11 | 4600 |
| 12 | 5440 |
| 13 | 6350 |
| 14 | 7330 |
| 15 | 8380 |
| 16 | 9500 |
| 17 | 10690 |
| 18 | 11950 |
| 19 | 13280 |
| 20 | 14680 |
| 21 | 16150 |
| 22 | 17690 |
| 23 | 19300 |
| 24 | 20980 |
| 25 | 22730 |
| 26 | 24550 |
| 27 | 26440 |
| 28 | 28400 |
| 29 | 30430 |
| 30 | 32530 |
| 31 | 34700 |
| 32 | 36940 |
| 33 | 39250 |
| 34 | 41630 |
| 35 | 44080 |
| 36 | 46600 |
| 37 | 49190 |
| 38 | 51850 |
| 39 | 54580 |
| 40 | 57380 |
| 41 | 60250 |
| 42 | 63190 |
| 43 | 66200 |
| 44 | 69280 |
| 45 | 72430 |
| 46 | 75650 |
| 47 | 78940 |
| 48 | 82300 |
| 49 | 85730 |
| 50 | 89230 |
| 51 | 92800 |