A050971 - cp's OEIS frontend

A050971 4*Denominator of S(n)/Pi^n, where S(n) = Sum_{k=-inf..+inf} ((4k+1)^(-n)).

n	a(n)
1	1
2	2
3	8
4	24
5	384
6	240
7	46080
8	40320
9	2064384
10	725760
11	3715891200
12	159667200
13	392398110720
14	12454041600
15	1428329123020800
16	20922789888000
17	274239191619993600
18	711374856192000
19	1678343852714360832000

[1, 2, 8, 24, 384, 240, 46080, 40320, 2064384, 725760, 3715891200, 159667200, 392398110720, 12454041600, 1428329123020800, 20922789888000, 274239191619993600, 711374856192000, 1678343852714360832000]

cp's OEIS Frontend

A050971 4*Denominator of S(n)/Pi^n, where S(n) = Sum_{k=-inf..+inf} ((4k+1)^(-n)).

Table of values

List of values