cp's OEIS Frontend

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.

A300987 O.g.f. A(x) satisfies: A(x) = x*(1 - 2*x*A'(x)) / (1 - 3*x*A'(x)).

Table of values

n a(n)
1 1
2 1
3 5
4 36
5 327
6 3489
7 42048
8 559008
9 8073243
10 125328411
11 2075525505
12 36460943208
13 676484058564
14 13210384019292
15 270753854165604
16 5810388957096552
17 130292809125319539
18 3047472204302259711
19 74227110587569392471
20 1879966895740420683492
21 49443968787368161215087
22 1348661750106914651234385
23 38107004920979745293594856
24 1114125483618428275543280400
25 33669232396216806674333898900

List of values

[1, 1, 5, 36, 327, 3489, 42048, 559008, 8073243, 125328411, 2075525505, 36460943208, 676484058564, 13210384019292, 270753854165604, 5810388957096552, 130292809125319539, 3047472204302259711, 74227110587569392471, 1879966895740420683492, 49443968787368161215087, 1348661750106914651234385, 38107004920979745293594856, 1114125483618428275543280400, 33669232396216806674333898900]