A350282 - cp's OEIS frontend

A350282 a(n) is the constant term in the expansion of Product_{k=1..n} (x^k + 1/x^k)^n.

n	a(n)
0	1
1	0
2	4
3	62
4	4658
5	0
6	2319512420
7	14225426190522
8	361926393013029354
9	0
10	16231015449888734994721650504
11	28330316118212024049511095643949434
12	200866780133770636272812495083578779133456
13	0

[1, 0, 4, 62, 4658, 0, 2319512420, 14225426190522, 361926393013029354, 0, 16231015449888734994721650504, 28330316118212024049511095643949434, 200866780133770636272812495083578779133456, 0]

cp's OEIS Frontend

A350282 a(n) is the constant term in the expansion of Product_{k=1..n} (x^k + 1/x^k)^n.

Table of values

List of values