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.

A354664 G.f. A(x) satisfies: 4 = Sum_{n=-oo..oo} (-x)^(n*(n+1)/2) * A(x)^(n*(n-1)/2).

Table of values

n a(n)
0 3
1 28
2 756
3 28200
4 1205228
5 55731456
6 2714642292
7 137199520340
8 7127794098792
9 378292284479388
10 20421818573265728
11 1117886561607128940
12 61904487399635790288
13 3461693986652051482948
14 195203095905903229325340
15 11087371481682320212435332
16 633751222047605882649272600

List of values

[3, 28, 756, 28200, 1205228, 55731456, 2714642292, 137199520340, 7127794098792, 378292284479388, 20421818573265728, 1117886561607128940, 61904487399635790288, 3461693986652051482948, 195203095905903229325340, 11087371481682320212435332, 633751222047605882649272600]