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 | 464 |
| 2 | 496 |
| 3 | 696 |
| 4 | 944 |
| 5 | 4446 |
| 6 | 4496 |
| 7 | 4664 |
| 8 | 6444 |
| 9 | 6669 |
| 10 | 6996 |
| 11 | 9666 |
| 12 | 9944 |
| 13 | 44649 |
| 14 | 44664 |
| 15 | 44694 |
| 16 | 44696 |
| 17 | 44946 |
| 18 | 44964 |
| 19 | 46664 |
| 20 | 46696 |
| 21 | 49446 |
| 22 | 49496 |
| 23 | 49944 |
| 24 | 64664 |
| 25 | 66664 |
| 26 | 66996 |
| 27 | 69464 |
| 28 | 69944 |
| 29 | 69996 |
| 30 | 94996 |
| 31 | 96464 |
| 32 | 96664 |
| 33 | 96996 |
| 34 | 99664 |
| 35 | 99946 |
| 36 | 99996 |