A091055 - cp's OEIS frontend

A091055 Expansion of x(1-2x)/((1-x)(1+2x)(1-6x)).

n	a(n)
0	0
1	1
2	3
3	23
4	127
5	783
6	4655
7	28015
8	167919
9	1007855
10	6046447
11	36280047
12	217677551
13	1306070767
14	7836413679
15	47018503919
16	282110979823
17	1692665966319
18	10155995623151
19	60935974088431
20	365615843831535
21	2193695064387311

[0, 1, 3, 23, 127, 783, 4655, 28015, 167919, 1007855, 6046447, 36280047, 217677551, 1306070767, 7836413679, 47018503919, 282110979823, 1692665966319, 10155995623151, 60935974088431, 365615843831535, 2193695064387311]

cp's OEIS Frontend

A091055 Expansion of x(1-2x)/((1-x)(1+2x)(1-6x)).

Table of values

List of values

cp's OEIS Frontend

A091055 Expansion of x*(1-2*x)/((1-x)*(1+2*x)*(1-6*x)).

Table of values

List of values

A091055 Expansion of x(1-2x)/((1-x)(1+2x)(1-6x)).