A370552 - cp's OEIS frontend

A370552 a(n) is the denominator of the real part of Product_{k=1..n} (1 + i/k) where i is the imaginary unit.

n	a(n)
1	1
2	2
3	1
4	12
5	4
6	72
7	9
8	2016
9	2016
10	36288
11	1512
12	2395008
13	342144
14	33530112
15	2095632
16	804722688
17	12773376
18	14485008384
19	905313024
20	550430318592
21	16679706624
22	254298807189504
23	1177309292544
24	3694024778121216
25	6380588253118464
26	140372941568606208
27	2506659670867968

[1, 2, 1, 12, 4, 72, 9, 2016, 2016, 36288, 1512, 2395008, 342144, 33530112, 2095632, 804722688, 12773376, 14485008384, 905313024, 550430318592, 16679706624, 254298807189504, 1177309292544, 3694024778121216, 6380588253118464, 140372941568606208, 2506659670867968]

cp's OEIS Frontend

A370552 a(n) is the denominator of the real part of Product_{k=1..n} (1 + i/k) where i is the imaginary unit.

Table of values

List of values