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) |
|---|---|
| 0 | 4 |
| 1 | 9 |
| 2 | 13 |
| 3 | 22 |
| 4 | 35 |
| 5 | 57 |
| 6 | 92 |
| 7 | 149 |
| 8 | 241 |
| 9 | 390 |
| 10 | 631 |
| 11 | 1021 |
| 12 | 1652 |
| 13 | 2673 |
| 14 | 4325 |
| 15 | 6998 |
| 16 | 11323 |
| 17 | 18321 |
| 18 | 29644 |
| 19 | 47965 |
| 20 | 77609 |
| 21 | 125574 |
| 22 | 203183 |
| 23 | 328757 |
| 24 | 531940 |
| 25 | 860697 |
| 26 | 1392637 |
| 27 | 2253334 |
| 28 | 3645971 |
| 29 | 5899305 |
| 30 | 9545276 |
| 31 | 15444581 |
| 32 | 24989857 |
| 33 | 40434438 |
| 34 | 65424295 |
| 35 | 105858733 |
| 36 | 171283028 |