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 | 98 |
| 2 | 257 |
| 3 | 611 |
| 4 | 1326 |
| 5 | 2815 |
| 6 | 5718 |
| 7 | 11362 |
| 8 | 22164 |
| 9 | 42507 |
| 10 | 80633 |
| 11 | 151352 |
| 12 | 281811 |
| 13 | 521224 |
| 14 | 958418 |
| 15 | 1754004 |
| 16 | 3196693 |
| 17 | 5805401 |
| 18 | 10510754 |
| 19 | 18978585 |
| 20 | 34187852 |
| 21 | 61457038 |
| 22 | 110271668 |
| 23 | 197530737 |
| 24 | 353309613 |
| 25 | 631087988 |
| 26 | 1125880395 |
| 27 | 2006365746 |