A106472 - cp's OEIS frontend

A106472 Expansion of g.f. (1 - x)^2(1 + x) / (1 - 2x)^2.

n	a(n)
0	1
1	3
2	7
3	17
4	40
5	92
6	208
7	464
8	1024
9	2240
10	4864
11	10496
12	22528
13	48128
14	102400
15	217088
16	458752
17	966656
18	2031616
19	4259840
20	8912896
21	18612224
22	38797312
23	80740352
24	167772160
25	348127232
26	721420288
27	1493172224
28	3087007744
29	6375342080
30	13153337344
31	27111981056

[1, 3, 7, 17, 40, 92, 208, 464, 1024, 2240, 4864, 10496, 22528, 48128, 102400, 217088, 458752, 966656, 2031616, 4259840, 8912896, 18612224, 38797312, 80740352, 167772160, 348127232, 721420288, 1493172224, 3087007744, 6375342080, 13153337344, 27111981056]

cp's OEIS Frontend

A106472 Expansion of g.f. (1 - x)^2(1 + x) / (1 - 2x)^2.

Table of values

List of values

cp's OEIS Frontend

A106472 Expansion of g.f. (1 - x)^2*(1 + x) / (1 - 2*x)^2.

Table of values

List of values

A106472 Expansion of g.f. (1 - x)^2(1 + x) / (1 - 2x)^2.