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 | 1 |
2 | 3 |
3 | 9 |
4 | 33 |
5 | 81 |
6 | 270 |
7 | 729 |
8 | 2278 |
9 | 6606 |
10 | 19926 |
11 | 59049 |
12 | 178173 |
13 | 531441 |
14 | 1596510 |
15 | 4783698 |
16 | 14356023 |
17 | 43046721 |
18 | 129162168 |
19 | 387420489 |
20 | 1162323189 |
21 | 3486790962 |
22 | 10460530350 |
23 | 31381059609 |
24 | 94143738789 |
25 | 282429539802 |
26 | 847290203766 |
27 | 2541865887543 |
28 | 7625602292013 |
29 | 22876792454961 |
30 | 68630391912807 |