A350307 - cp's OEIS frontend

A350307 a(n) is the constant term in the expansion of Product_{j=1..n} (Sum_{k=-j..j} x^k)^n.

n	a(n)
0	1
1	1
2	37
3	100683
4	42935363305
5	4440604747662968975
6	161247684066768055445081543753
7	2819198261291991623302749353791096334609249
8	31233334332507494719367656927521237896029724037781845363309

[1, 1, 37, 100683, 42935363305, 4440604747662968975, 161247684066768055445081543753, 2819198261291991623302749353791096334609249, 31233334332507494719367656927521237896029724037781845363309]

cp's OEIS Frontend

A350307 a(n) is the constant term in the expansion of Product_{j=1..n} (Sum_{k=-j..j} x^k)^n.

Table of values

List of values