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.

A109787 Expansion of -(1-x-2*x^2+11*x^4-3*x^3) / ((x-1)*(x+1)*(x^2-3*x+1)*(1+x^2)).

Table of values

n a(n)
0 1
1 2
2 3
3 4
4 21
5 58
6 151
7 392
8 1037
9 2718
10 7115
11 18624
12 48769
13 127682
14 334275
15 875140
16 2291157
17 5998330
18 15703831
19 41113160
20 107635661
21 281793822
22 737745803
23 1931443584
24 5056584961
25 13238311298
26 34658348931
27 90736735492
28 237551857557

List of values

[1, 2, 3, 4, 21, 58, 151, 392, 1037, 2718, 7115, 18624, 48769, 127682, 334275, 875140, 2291157, 5998330, 15703831, 41113160, 107635661, 281793822, 737745803, 1931443584, 5056584961, 13238311298, 34658348931, 90736735492, 237551857557]