A152096 - cp's OEIS frontend

A152096 Quartic product sequence: a(n) = Product_{k=1..(n-1)/2} (1 + mcos(kPi/n)^2 + qcos(kPi/n)^4), with m=12 and q = 3*4^3.

n	a(n)
0	1
1	1
2	1
3	16
4	55
5	355
6	1888
7	9829
8	57145
9	294064
10	1683055
11	8893147
12	49635520
13	267601933
14	1472118817
15	8012384080
16	43823300455
17	239288418067
18	1306681029664
19	7139564615413
20	38980858167625
21	212971742938096
22	1162967620577311

[1, 1, 1, 16, 55, 355, 1888, 9829, 57145, 294064, 1683055, 8893147, 49635520, 267601933, 1472118817, 8012384080, 43823300455, 239288418067, 1306681029664, 7139564615413, 38980858167625, 212971742938096, 1162967620577311]

cp's OEIS Frontend

A152096 Quartic product sequence: a(n) = Product_{k=1..(n-1)/2} (1 + mcos(kPi/n)^2 + qcos(kPi/n)^4), with m=12 and q = 3*4^3.

Table of values

List of values

cp's OEIS Frontend

A152096 Quartic product sequence: a(n) = Product_{k=1..(n-1)/2} (1 + m*cos(k*Pi/n)^2 + q*cos(k*Pi/n)^4), with m=12 and q = 3*4^3.

Table of values

List of values

A152096 Quartic product sequence: a(n) = Product_{k=1..(n-1)/2} (1 + mcos(kPi/n)^2 + qcos(kPi/n)^4), with m=12 and q = 3*4^3.