A329075 - cp's OEIS frontend

A329075 Constant term in the expansion of ((Sum_{k=-2..2} x^k) * (Sum_{k=-2..2} y^k) - (Sum_{k=-1..1} x^k) * (Sum_{k=-1..1} y^k))^n.

n	a(n)
0	1
1	0
2	16
3	48
4	1200
5	10200
6	165760
7	2032800
8	30115120
9	417189360
10	6116225976
11	88579001280
12	1308168101856
13	19335388664592
14	288264711738432
15	4311842765438208
16	64819095869951280
17	977630677389002208
18	14796595755047824432
19	224583060859608559680
20	3417918348978709970680

[1, 0, 16, 48, 1200, 10200, 165760, 2032800, 30115120, 417189360, 6116225976, 88579001280, 1308168101856, 19335388664592, 288264711738432, 4311842765438208, 64819095869951280, 977630677389002208, 14796595755047824432, 224583060859608559680, 3417918348978709970680]

cp's OEIS Frontend

A329075 Constant term in the expansion of ((Sum_{k=-2..2} x^k) * (Sum_{k=-2..2} y^k) - (Sum_{k=-1..1} x^k) * (Sum_{k=-1..1} y^k))^n.

Table of values

List of values