A370473 - cp's OEIS frontend

A370473 G.f. satisfies A(x) = 1 + x * A(x)^2 * (1 - A(x) + A(x)^2 - A(x)^3 + A(x)^4).

n	a(n)
0	1
1	1
2	4
3	25
4	185
5	1501
6	12914
7	115723
8	1068505
9	10094770
10	97117624
11	948181724
12	9370734322
13	93562986440
14	942385174150
15	9563720899515
16	97696642766654
17	1003789888620166
18	10366477185870960
19	107548800153957745
20	1120374840689934195
21	11714707429579539268

[1, 1, 4, 25, 185, 1501, 12914, 115723, 1068505, 10094770, 97117624, 948181724, 9370734322, 93562986440, 942385174150, 9563720899515, 97696642766654, 1003789888620166, 10366477185870960, 107548800153957745, 1120374840689934195, 11714707429579539268]

cp's OEIS Frontend

A370473 G.f. satisfies A(x) = 1 + x * A(x)^2 * (1 - A(x) + A(x)^2 - A(x)^3 + A(x)^4).

Table of values

List of values