A052987 - cp's OEIS frontend

A052987 Expansion of (1-2x^2)/(1-2x-2x^2+2x^3).

n	a(n)
0	1
1	2
2	4
3	10
4	24
5	60
6	148
7	368
8	912
9	2264
10	5616
11	13936
12	34576
13	85792
14	212864
15	528160
16	1310464
17	3251520
18	8067648
19	20017408
20	49667072
21	123233664
22	305766656
23	758666496
24	1882398976
25	4670597632
26	11588660224
27	28753717760
28	71343560704

[1, 2, 4, 10, 24, 60, 148, 368, 912, 2264, 5616, 13936, 34576, 85792, 212864, 528160, 1310464, 3251520, 8067648, 20017408, 49667072, 123233664, 305766656, 758666496, 1882398976, 4670597632, 11588660224, 28753717760, 71343560704]

cp's OEIS Frontend

A052987 Expansion of (1-2x^2)/(1-2x-2x^2+2x^3).

Table of values

List of values