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 | 10 |
| 2 | 20 |
| 3 | 310 |
| 4 | 80 |
| 5 | 950 |
| 6 | 810 |
| 7 | 1970 |
| 8 | 390 |
| 9 | 3130 |
| 10 | 2980 |
| 11 | 4750 |
| 12 | 3300 |
| 13 | 6730 |
| 14 | 6450 |
| 15 | 9190 |
| 16 | 4650 |
| 17 | 11570 |
| 18 | 11200 |
| 19 | 14450 |
| 20 | 12040 |
| 21 | 17810 |
| 22 | 17350 |
| 23 | 21650 |
| 24 | 12370 |
| 25 | 25190 |
| 26 | 24660 |
| 27 | 29450 |
| 28 | 25940 |
| 29 | 34210 |
| 30 | 33510 |
| 31 | 39450 |
| 32 | 29090 |
| 33 | 43890 |
| 34 | 43540 |
| 35 | 49810 |
| 36 | 45080 |
| 37 | 55830 |
| 38 | 54950 |
| 39 | 62430 |
| 40 | 49210 |
| 41 | 67610 |