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 | 6 |
3 | 14 |
4 | 30 |
5 | 66 |
6 | 142 |
7 | 306 |
8 | 654 |
9 | 1394 |
10 | 2958 |
11 | 6258 |
12 | 13198 |
13 | 27762 |
14 | 58254 |
15 | 121970 |
16 | 254862 |
17 | 531570 |
18 | 1106830 |
19 | 2301042 |
20 | 4776846 |
21 | 9903218 |
22 | 20505486 |
23 | 42409074 |
24 | 87614350 |
25 | 180821106 |
26 | 372827022 |
27 | 768023666 |
28 | 1580786574 |
29 | 3251051634 |