A329067 - cp's OEIS frontend

A329067 Constant term in the expansion of ((x^5 + x^3 + x + 1/x + 1/x^3 + 1/x^5)(y^5 + y^3 + y + 1/y + 1/y^3 + 1/y^5) - (x^3 + x + 1/x + 1/x^3)(y^3 + y + 1/y + 1/y^3))^(2*n).

n	a(n)
0	1
1	20
2	2100
3	423440
4	117234740
5	36938855520
6	12321942357648
7	4240628338620960
8	1489773976776270900
9	531369088429408040240
10	191788135117910898767200
11	69889981814391283195249872
12	25671987914195551303751107472
13	9493180954173722971961114187200

[1, 20, 2100, 423440, 117234740, 36938855520, 12321942357648, 4240628338620960, 1489773976776270900, 531369088429408040240, 191788135117910898767200, 69889981814391283195249872, 25671987914195551303751107472, 9493180954173722971961114187200]

cp's OEIS Frontend

A329067 Constant term in the expansion of ((x^5 + x^3 + x + 1/x + 1/x^3 + 1/x^5)(y^5 + y^3 + y + 1/y + 1/y^3 + 1/y^5) - (x^3 + x + 1/x + 1/x^3)(y^3 + y + 1/y + 1/y^3))^(2*n).

Table of values

List of values

cp's OEIS Frontend

A329067 Constant term in the expansion of ((x^5 + x^3 + x + 1/x + 1/x^3 + 1/x^5)*(y^5 + y^3 + y + 1/y + 1/y^3 + 1/y^5) - (x^3 + x + 1/x + 1/x^3)*(y^3 + y + 1/y + 1/y^3))^(2*n).

Table of values

List of values

A329067 Constant term in the expansion of ((x^5 + x^3 + x + 1/x + 1/x^3 + 1/x^5)(y^5 + y^3 + y + 1/y + 1/y^3 + 1/y^5) - (x^3 + x + 1/x + 1/x^3)(y^3 + y + 1/y + 1/y^3))^(2*n).