A129442 - cp's OEIS frontend

A129442 Expansion of c(x)c(xc(x)) where c(x) is the g.f. of A000108.

n	a(n)
0	1
1	2
2	6
3	21
4	80
5	322
6	1348
7	5814
8	25674
9	115566
10	528528
11	2449746
12	11485068
13	54377288
14	259663576
15	1249249981
16	6049846848
17	29469261934
18	144293491564
19	709806846980
20	3506278661820
21	17385618278700
22	86500622296800

[1, 2, 6, 21, 80, 322, 1348, 5814, 25674, 115566, 528528, 2449746, 11485068, 54377288, 259663576, 1249249981, 6049846848, 29469261934, 144293491564, 709806846980, 3506278661820, 17385618278700, 86500622296800]

cp's OEIS Frontend

A129442 Expansion of c(x)c(xc(x)) where c(x) is the g.f. of A000108.

Table of values

List of values

cp's OEIS Frontend

A129442 Expansion of c(x)*c(x*c(x)) where c(x) is the g.f. of A000108.

Table of values

List of values

A129442 Expansion of c(x)c(xc(x)) where c(x) is the g.f. of A000108.