A243585 - cp's OEIS frontend

A243585 Expansion of xlog'(C(C(x)-1)-1), C(x) = (1-sqrt(1-4x))/(2*x).

n	a(n)
0	1
1	4
2	20
3	106
4	580
5	3244
6	18446
7	106250
8	618340
9	3628600
10	21438820
11	127377980
12	760346350
13	4556473276
14	27396081950
15	165189725326
16	998492094244
17	6048338850560
18	36706629690824
19	223139239595840
20	1358475322091620

[1, 4, 20, 106, 580, 3244, 18446, 106250, 618340, 3628600, 21438820, 127377980, 760346350, 4556473276, 27396081950, 165189725326, 998492094244, 6048338850560, 36706629690824, 223139239595840, 1358475322091620]

cp's OEIS Frontend

A243585 Expansion of xlog'(C(C(x)-1)-1), C(x) = (1-sqrt(1-4x))/(2*x).

Table of values

List of values

cp's OEIS Frontend

A243585 Expansion of x*log'(C(C(x)-1)-1), C(x) = (1-sqrt(1-4*x))/(2*x).

Table of values

List of values

A243585 Expansion of xlog'(C(C(x)-1)-1), C(x) = (1-sqrt(1-4x))/(2*x).