A199475 - cp's OEIS frontend

A199475 G.f. satisfies A(x) = Sum_{n>=0} x^n * (1 - A(x)^(2*n+2))/(1 - A(x)^2).

n	a(n)
0	1
1	2
2	7
3	34
4	195
5	1225
6	8146
7	56336
8	401005
9	2918308
10	21614216
11	162385693
12	1234515922
13	9479336440
14	73410868630
15	572719097908
16	4496923141241
17	35509806367132
18	281814387290431
19	2246608404455588
20	17982234787607464
21	144458551104066553
22	1164342291135424494

[1, 2, 7, 34, 195, 1225, 8146, 56336, 401005, 2918308, 21614216, 162385693, 1234515922, 9479336440, 73410868630, 572719097908, 4496923141241, 35509806367132, 281814387290431, 2246608404455588, 17982234787607464, 144458551104066553, 1164342291135424494]

cp's OEIS Frontend

A199475 G.f. satisfies A(x) = Sum_{n>=0} x^n * (1 - A(x)^(2*n+2))/(1 - A(x)^2).

Table of values

List of values