A368626 - cp's OEIS frontend

A368626 Expansion of g.f. A(x) satisfying A(x) = 1 + x(A(x)^2 - A(-x)^2)/2 + x(A(x)^3 + A(-x)^3)/2.

n	a(n)
0	1
1	1
2	2
3	9
4	22
5	138
6	356
7	2585
8	6830
9	53838
10	144156
11	1197546
12	3233692
13	27859444
14	75665736
15	669553209
16	1826204958
17	16493851110
18	45131989100
19	414263198030
20	1136416283860
21	10568504182860
22	29050963193720
23	273107307342090
24	751985844723308
25	7133921326564172
26	19670502565821464

[1, 1, 2, 9, 22, 138, 356, 2585, 6830, 53838, 144156, 1197546, 3233692, 27859444, 75665736, 669553209, 1826204958, 16493851110, 45131989100, 414263198030, 1136416283860, 10568504182860, 29050963193720, 273107307342090, 751985844723308, 7133921326564172, 19670502565821464]

cp's OEIS Frontend

A368626 Expansion of g.f. A(x) satisfying A(x) = 1 + x(A(x)^2 - A(-x)^2)/2 + x(A(x)^3 + A(-x)^3)/2.

Table of values

List of values

cp's OEIS Frontend

A368626 Expansion of g.f. A(x) satisfying A(x) = 1 + x*(A(x)^2 - A(-x)^2)/2 + x*(A(x)^3 + A(-x)^3)/2.

Table of values

List of values

A368626 Expansion of g.f. A(x) satisfying A(x) = 1 + x(A(x)^2 - A(-x)^2)/2 + x(A(x)^3 + A(-x)^3)/2.