A291253 - cp's OEIS frontend

A291253 p-INVERT of (0,1,0,1,0,1,...), where p(S) = (1 - S - S^2)^2.

n	a(n)
0	2
1	5
2	12
3	30
4	70
5	166
6	382
7	881
8	2002
9	4540
10	10210
11	22891
12	51050
13	113506
14	251430
15	555466
16	1223680
17	2689591
18	5898290
19	12909880
20	28204178
21	61515521
22	133961048
23	291308806
24	632628710
25	1372170030
26	2972790738
27	6433570445
28	13909116418
29	30042364980
30	64830556978

[2, 5, 12, 30, 70, 166, 382, 881, 2002, 4540, 10210, 22891, 51050, 113506, 251430, 555466, 1223680, 2689591, 5898290, 12909880, 28204178, 61515521, 133961048, 291308806, 632628710, 1372170030, 2972790738, 6433570445, 13909116418, 30042364980, 64830556978]

cp's OEIS Frontend

A291253 p-INVERT of (0,1,0,1,0,1,...), where p(S) = (1 - S - S^2)^2.

Table of values

List of values