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.

A301435 G.f. A(x) satisfies: 1 = Sum_{n>=0} ( (1+x)^n - 3*x*A(x) )^n / 2^(n+1).

Table of values

n a(n)
0 1
1 5
2 85
3 2413
4 92501
5 4394663
6 246960721
7 15952488893
8 1161947365721
9 94123508334877
10 8390631582459161
11 816285612080072183
12 86069411025655759073
13 9778818588385117669485
14 1191176369495005591666205
15 154886342347657508336231809
16 21414816209632043592416524165
17 3137473307880710686085483679771
18 485584927860050612832028930482597
19 79169341280742628145184619086229089

List of values

[1, 5, 85, 2413, 92501, 4394663, 246960721, 15952488893, 1161947365721, 94123508334877, 8390631582459161, 816285612080072183, 86069411025655759073, 9778818588385117669485, 1191176369495005591666205, 154886342347657508336231809, 21414816209632043592416524165, 3137473307880710686085483679771, 485584927860050612832028930482597, 79169341280742628145184619086229089]