A122007 - cp's OEIS frontend

A122007 Expansion of 2x^2(1-2x) / ((3x-1)(3x^2-1)).

n	a(n)
1	0
2	2
3	2
4	12
5	24
6	90
7	234
8	756
9	2160
10	6642
11	19602
12	59292
13	176904
14	532170
15	1593594
16	4785156
17	14346720
18	43053282
19	129133602
20	387440172
21	1162241784
22	3486843450
23	10460294154
24	31381236756
25	94143001680
26	282430067922
27	847288078002
28	2541867422652
29	7625595890664

[0, 2, 2, 12, 24, 90, 234, 756, 2160, 6642, 19602, 59292, 176904, 532170, 1593594, 4785156, 14346720, 43053282, 129133602, 387440172, 1162241784, 3486843450, 10460294154, 31381236756, 94143001680, 282430067922, 847288078002, 2541867422652, 7625595890664]

cp's OEIS Frontend

A122007 Expansion of 2x^2(1-2x) / ((3x-1)(3x^2-1)).

Table of values

List of values

cp's OEIS Frontend

A122007 Expansion of 2*x^2*(1-2*x) / ((3*x-1)*(3*x^2-1)).

Table of values

List of values

A122007 Expansion of 2x^2(1-2x) / ((3x-1)(3x^2-1)).