A302751 - cp's OEIS frontend

A302751 Expansion of 1 + x(1 + 2x^2(1 + 3x^3(1 + 4x^4*(1 + ...)^4)^3)^2).

n	a(n)
0	1
1	1
2	0
3	2
4	0
5	0
6	12
7	0
8	0
9	18
10	144
11	0
12	0
13	432
14	576
15	2880
16	0
17	4320
18	9408
19	23040
20	21600
21	109440
22	172800
23	110880
24	662400
25	832320
26	2678400
27	4060800
28	10296000
29	9412992
30	32922000
31	63676800
32	135734400
33	263556528
34	281030400
35	973036800
36	1906704000
37	4069224000
38	5184984960

[1, 1, 0, 2, 0, 0, 12, 0, 0, 18, 144, 0, 0, 432, 576, 2880, 0, 4320, 9408, 23040, 21600, 109440, 172800, 110880, 662400, 832320, 2678400, 4060800, 10296000, 9412992, 32922000, 63676800, 135734400, 263556528, 281030400, 973036800, 1906704000, 4069224000, 5184984960]

cp's OEIS Frontend

A302751 Expansion of 1 + x(1 + 2x^2(1 + 3x^3(1 + 4x^4*(1 + ...)^4)^3)^2).

Table of values

List of values

cp's OEIS Frontend

A302751 Expansion of 1 + x*(1 + 2*x^2*(1 + 3*x^3*(1 + 4*x^4*(1 + ...)^4)^3)^2).

Table of values

List of values

A302751 Expansion of 1 + x(1 + 2x^2(1 + 3x^3(1 + 4x^4*(1 + ...)^4)^3)^2).