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 | 19 |
| 2 | 43 |
| 3 | 101 |
| 4 | 197 |
| 5 | 457 |
| 6 | 461 |
| 7 | 643 |
| 8 | 743 |
| 9 | 859 |
| 10 | 883 |
| 11 | 937 |
| 12 | 1301 |
| 13 | 1483 |
| 14 | 1579 |
| 15 | 1877 |
| 16 | 1949 |
| 17 | 1997 |
| 18 | 2083 |
| 19 | 2129 |
| 20 | 2141 |
| 21 | 2221 |
| 22 | 2237 |
| 23 | 2251 |
| 24 | 2381 |
| 25 | 2539 |
| 26 | 2609 |
| 27 | 2617 |
| 28 | 2659 |
| 29 | 2663 |
| 30 | 3019 |
| 31 | 3221 |
| 32 | 3389 |
| 33 | 3461 |
| 34 | 3701 |
| 35 | 4003 |
| 36 | 4157 |
| 37 | 4517 |
| 38 | 4637 |
| 39 | 5573 |
| 40 | 5741 |
| 41 | 5783 |
| 42 | 6763 |
| 43 | 6899 |
| 44 | 6907 |
| 45 | 7349 |
| 46 | 7757 |
| 47 | 7877 |