A138211 - cp's OEIS frontend

A138211 G.f.: A(x) = 1 + x(1 + x(1 + x(...(1 + x(...)^(2n-1))...)^5)^3)^1.

n	a(n)
0	1
1	1
2	1
3	3
4	18
5	166
6	2070
7	32505
8	614918
9	13600671
10	344202033
11	9806468970
12	310553772735
13	10820519947581
14	411338412455910
15	16940944600551504
16	751397442828052440
17	35707884976794347170
18	1810006747594245718317

[1, 1, 1, 3, 18, 166, 2070, 32505, 614918, 13600671, 344202033, 9806468970, 310553772735, 10820519947581, 411338412455910, 16940944600551504, 751397442828052440, 35707884976794347170, 1810006747594245718317]

cp's OEIS Frontend

A138211 G.f.: A(x) = 1 + x(1 + x(1 + x(...(1 + x(...)^(2n-1))...)^5)^3)^1.

Table of values

List of values

cp's OEIS Frontend

A138211 G.f.: A(x) = 1 + x*(1 + x*(1 + x*(...(1 + x*(...)^(2n-1))...)^5)^3)^1.

Table of values

List of values

A138211 G.f.: A(x) = 1 + x(1 + x(1 + x(...(1 + x(...)^(2n-1))...)^5)^3)^1.