A291035 - cp's OEIS frontend

A291035 p-INVERT of (1,0,0,1,0,0,1,0,0,...), where p(S) = 1 - S - 2 S^2.

n	a(n)
0	1
1	3
2	5
3	12
4	27
5	58
6	130
7	285
8	629
9	1389
10	3060
11	6753
12	14892
13	32844
14	72445
15	159775
16	352401
17	777244
18	1714259
19	3780930
20	8339090
21	18392449
22	40565829
23	89470733
24	197333940
25	435233685
26	959938112
27	2117210180
28	4669654005
29	10299246171
30	22715702489
31	50101058976

[1, 3, 5, 12, 27, 58, 130, 285, 629, 1389, 3060, 6753, 14892, 32844, 72445, 159775, 352401, 777244, 1714259, 3780930, 8339090, 18392449, 40565829, 89470733, 197333940, 435233685, 959938112, 2117210180, 4669654005, 10299246171, 22715702489, 50101058976]

cp's OEIS Frontend

A291035 p-INVERT of (1,0,0,1,0,0,1,0,0,...), where p(S) = 1 - S - 2 S^2.

Table of values

List of values