A370434 - cp's OEIS frontend

A370434 Expansion of Product_{n>=1} (1 - 4^(n-1)x^n) (1 + 4^(n-1)*x^n)^2.

n	a(n)
0	1
1	1
2	3
3	19
4	60
5	348
6	1216
7	6480
8	23040
9	121152
10	445696
11	2214912
12	8475648
13	40796160
14	158564352
15	754302976
16	2949120000
17	13694926848
18	55180001280
19	250151436288
20	1008079994880
21	4570684063744
22	18552497111040
23	82564035379200
24	339344829186048
25	1494986847682560
26	6161930523770880

[1, 1, 3, 19, 60, 348, 1216, 6480, 23040, 121152, 445696, 2214912, 8475648, 40796160, 158564352, 754302976, 2949120000, 13694926848, 55180001280, 250151436288, 1008079994880, 4570684063744, 18552497111040, 82564035379200, 339344829186048, 1494986847682560, 6161930523770880]

cp's OEIS Frontend

A370434 Expansion of Product_{n>=1} (1 - 4^(n-1)x^n) (1 + 4^(n-1)*x^n)^2.

Table of values

List of values

cp's OEIS Frontend

A370434 Expansion of Product_{n>=1} (1 - 4^(n-1)*x^n) * (1 + 4^(n-1)*x^n)^2.

Table of values

List of values

A370434 Expansion of Product_{n>=1} (1 - 4^(n-1)x^n) (1 + 4^(n-1)*x^n)^2.