A381828 - cp's OEIS frontend

A381828 Expansion of ( (1/x) * Series_Reversion( x * ((1-x) * (1-x+x^2))^2 ) )^(1/2).

n	a(n)
0	1
1	2
2	10
3	65
4	480
5	3824
6	32039
7	278256
8	2482578
9	22617830
10	209540672
11	1968031520
12	18696064179
13	179332892186
14	1734451272240
15	16895744042472
16	165621305486976
17	1632518433458400
18	16170959983623314
19	160888256475481560
20	1607061512154585046
21	16110030923830784248

[1, 2, 10, 65, 480, 3824, 32039, 278256, 2482578, 22617830, 209540672, 1968031520, 18696064179, 179332892186, 1734451272240, 16895744042472, 165621305486976, 1632518433458400, 16170959983623314, 160888256475481560, 1607061512154585046, 16110030923830784248]

cp's OEIS Frontend

A381828 Expansion of ( (1/x) * Series_Reversion( x * ((1-x) * (1-x+x^2))^2 ) )^(1/2).

Table of values

List of values