A335539 - cp's OEIS frontend

A335539 a(n) = denominator(-4n^2zeta(1 - n)zeta(n)(1 - 2^(1 - n)) / Pi^n) for n >= 2, a(0) = 1, a(1) = 1.

n	a(n)
0	1
1	1
2	9
3	1
4	1350
5	1
6	52920
7	1
8	1134000
9	1
10	11290752
11	1
12	74373979680000
13	1
14	8006169600
15	1
16	12147360825600000
17	1
18	56625794240311296000
19	1
20	3311787858630451200000
21	1
22	451287524451778560000
23	1
24	48168123888308960600064000000
25	1
26	10738530029998374912000000
27	1

[1, 1, 9, 1, 1350, 1, 52920, 1, 1134000, 1, 11290752, 1, 74373979680000, 1, 8006169600, 1, 12147360825600000, 1, 56625794240311296000, 1, 3311787858630451200000, 1, 451287524451778560000, 1, 48168123888308960600064000000, 1, 10738530029998374912000000, 1]

cp's OEIS Frontend

A335539 a(n) = denominator(-4n^2zeta(1 - n)zeta(n)(1 - 2^(1 - n)) / Pi^n) for n >= 2, a(0) = 1, a(1) = 1.

Table of values

List of values

cp's OEIS Frontend

A335539 a(n) = denominator(-4*n^2*zeta(1 - n)*zeta(n)*(1 - 2^(1 - n)) / Pi^n) for n >= 2, a(0) = 1, a(1) = 1.

Table of values

List of values

A335539 a(n) = denominator(-4n^2zeta(1 - n)zeta(n)(1 - 2^(1 - n)) / Pi^n) for n >= 2, a(0) = 1, a(1) = 1.