A291729 - cp's OEIS frontend

A291729 p-INVERT of (1,0,1,0,0,0,0,...), where p(S) = 1 - 2 S - S^2.

n	a(n)
0	2
1	5
2	14
3	39
4	106
5	290
6	794
7	2173
8	5946
9	16272
10	44530
11	121860
12	333480
13	912597
14	2497400
15	6834349
16	18702782
17	51181767
18	140063294
19	383295214
20	1048920220
21	2870460125
22	7855260268
23	21496593296
24	58827270844
25	160985870984
26	440551640160
27	1205607339709
28	3299247863502

[2, 5, 14, 39, 106, 290, 794, 2173, 5946, 16272, 44530, 121860, 333480, 912597, 2497400, 6834349, 18702782, 51181767, 140063294, 383295214, 1048920220, 2870460125, 7855260268, 21496593296, 58827270844, 160985870984, 440551640160, 1205607339709, 3299247863502]

cp's OEIS Frontend

A291729 p-INVERT of (1,0,1,0,0,0,0,...), where p(S) = 1 - 2 S - S^2.

Table of values

List of values