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 | 1 |
| 1 | 3 |
| 2 | 10 |
| 3 | 26 |
| 4 | 61 |
| 5 | 128 |
| 6 | 254 |
| 7 | 467 |
| 8 | 821 |
| 9 | 1376 |
| 10 | 2224 |
| 11 | 3470 |
| 12 | 5269 |
| 13 | 7785 |
| 14 | 11254 |
| 15 | 15930 |
| 16 | 22149 |
| 17 | 30276 |
| 18 | 40786 |
| 19 | 54177 |
| 20 | 71089 |
| 21 | 92198 |
| 22 | 118336 |
| 23 | 150386 |
| 24 | 189425 |
| 25 | 236573 |
| 26 | 293186 |
| 27 | 360680 |
| 28 | 440725 |
| 29 | 535070 |
| 30 | 645766 |
| 31 | 774933 |
| 32 | 925045 |
| 33 | 1098666 |
| 34 | 1298736 |
| 35 | 1528308 |
| 36 | 1790869 |
| 37 | 2090007 |
| 38 | 2429806 |
| 39 | 2814476 |
| 40 | 3248749 |