A291405 - cp's OEIS frontend

A291405 p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - 2 S^2 - 2 S^4.

n	a(n)
0	0
1	2
2	4
3	8
4	24
5	52
6	120
7	290
8	672
9	1592
10	3760
11	8824
12	20800
13	48976
14	115296
15	271588
16	639488
17	1505816
18	3546032
19	8350064
20	19662944
21	46302800
22	109033952
23	256754760
24	604609280
25	1423740736
26	3352643712
27	7894846528
28	18590881280
29	43778039424
30	103089066752

[0, 2, 4, 8, 24, 52, 120, 290, 672, 1592, 3760, 8824, 20800, 48976, 115296, 271588, 639488, 1505816, 3546032, 8350064, 19662944, 46302800, 109033952, 256754760, 604609280, 1423740736, 3352643712, 7894846528, 18590881280, 43778039424, 103089066752]

cp's OEIS Frontend

A291405 p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - 2 S^2 - 2 S^4.

Table of values

List of values