A370435 - cp's OEIS frontend

A370435 Expansion of Product_{n>=1} (1 - 5^(n-1)x^n) (1 + 5^(n-1)*x^n)^2.

n	a(n)
0	1
1	1
2	4
3	29
4	120
5	820
6	3625
7	23400
8	105000
9	669500
10	3075625
11	18837500
12	89237500
13	532500000
14	2554062500
15	15086640625
16	72843750000
17	421773437500
18	2084812500000
19	11834804687500
20	58638281250000
21	332210205078125
22	1656773437500000
23	9240966796875000
24	46624682617187500
25	257479980468750000

[1, 1, 4, 29, 120, 820, 3625, 23400, 105000, 669500, 3075625, 18837500, 89237500, 532500000, 2554062500, 15086640625, 72843750000, 421773437500, 2084812500000, 11834804687500, 58638281250000, 332210205078125, 1656773437500000, 9240966796875000, 46624682617187500, 257479980468750000]

cp's OEIS Frontend

A370435 Expansion of Product_{n>=1} (1 - 5^(n-1)x^n) (1 + 5^(n-1)*x^n)^2.

Table of values

List of values

cp's OEIS Frontend

A370435 Expansion of Product_{n>=1} (1 - 5^(n-1)*x^n) * (1 + 5^(n-1)*x^n)^2.

Table of values

List of values

A370435 Expansion of Product_{n>=1} (1 - 5^(n-1)x^n) (1 + 5^(n-1)*x^n)^2.