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 | 5 |
| 2 | 19 |
| 3 | 51 |
| 4 | 113 |
| 5 | 219 |
| 6 | 388 |
| 7 | 638 |
| 8 | 995 |
| 9 | 1483 |
| 10 | 2133 |
| 11 | 2975 |
| 12 | 4047 |
| 13 | 5383 |
| 14 | 7028 |
| 15 | 9022 |
| 16 | 11415 |
| 17 | 14253 |
| 18 | 17593 |
| 19 | 21485 |
| 20 | 25993 |
| 21 | 31173 |
| 22 | 37094 |
| 23 | 43818 |
| 24 | 51421 |
| 25 | 59969 |
| 26 | 69545 |
| 27 | 80221 |
| 28 | 92085 |
| 29 | 105215 |
| 30 | 119706 |
| 31 | 135640 |
| 32 | 153119 |
| 33 | 172231 |
| 34 | 193083 |
| 35 | 215769 |
| 36 | 240403 |
| 37 | 267083 |
| 38 | 295930 |