A372138 - cp's OEIS frontend

A372138 G.f. A(x) satisfies A(x) = 1/( 1 - xA(x)^2(1 + 4xA(x))^(1/2) ).

n	a(n)
0	1
1	1
2	5
3	24
4	149
5	945
6	6464
7	45360
8	328661
9	2426971
10	18244053
11	138988092
12	1071271988
13	8336754044
14	65421283160
15	517081111568
16	4112772482949
17	32894217211791
18	264391091936095
19	2134466592084000
20	17300375657257629
21	140728012021470193
22	1148477345709237844

[1, 1, 5, 24, 149, 945, 6464, 45360, 328661, 2426971, 18244053, 138988092, 1071271988, 8336754044, 65421283160, 517081111568, 4112772482949, 32894217211791, 264391091936095, 2134466592084000, 17300375657257629, 140728012021470193, 1148477345709237844]

cp's OEIS Frontend

A372138 G.f. A(x) satisfies A(x) = 1/( 1 - xA(x)^2(1 + 4xA(x))^(1/2) ).

Table of values

List of values

cp's OEIS Frontend

A372138 G.f. A(x) satisfies A(x) = 1/( 1 - x*A(x)^2*(1 + 4*x*A(x))^(1/2) ).

Table of values

List of values

A372138 G.f. A(x) satisfies A(x) = 1/( 1 - xA(x)^2(1 + 4xA(x))^(1/2) ).