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 | 219 |
| 2 | 402 |
| 3 | 753 |
| 4 | 1424 |
| 5 | 2693 |
| 6 | 5088 |
| 7 | 9613 |
| 8 | 18104 |
| 9 | 34013 |
| 10 | 63928 |
| 11 | 120362 |
| 12 | 226816 |
| 13 | 427341 |
| 14 | 804974 |
| 15 | 1516179 |
| 16 | 2855304 |
| 17 | 5376354 |
| 18 | 10123582 |
| 19 | 19065294 |
| 20 | 35907400 |
| 21 | 67626166 |
| 22 | 127359488 |
| 23 | 239852341 |
| 24 | 451704432 |
| 25 | 850669960 |
| 26 | 1602023036 |
| 27 | 3017039568 |