A324957 - cp's OEIS frontend

A324957 a(n) is the coefficient of y^(n-1) in Product_{k=0..n-2} (n + (n + k)y + ny^2), for n >= 1.

n	a(n)
1	1
2	2
3	30
4	600
5	17980
6	701280
7	33904822
8	1956209024
9	131229583596
10	10037690006400
11	862338700678884
12	82216457762199552
13	8614684257283258102
14	984021646462806049280
15	121700458370370286320750
16	16202120194768984283381760
17	2310243113824870018738497732
18	351271199659878407029587277824
19	56734597035765569017356665543968
20	9700307843128908988513920450560000

[1, 2, 30, 600, 17980, 701280, 33904822, 1956209024, 131229583596, 10037690006400, 862338700678884, 82216457762199552, 8614684257283258102, 984021646462806049280, 121700458370370286320750, 16202120194768984283381760, 2310243113824870018738497732, 351271199659878407029587277824, 56734597035765569017356665543968, 9700307843128908988513920450560000]

cp's OEIS Frontend

A324957 a(n) is the coefficient of y^(n-1) in Product_{k=0..n-2} (n + (n + k)y + ny^2), for n >= 1.

Table of values

List of values

cp's OEIS Frontend

A324957 a(n) is the coefficient of y^(n-1) in Product_{k=0..n-2} (n + (n + k)*y + n*y^2), for n >= 1.

Table of values

List of values

A324957 a(n) is the coefficient of y^(n-1) in Product_{k=0..n-2} (n + (n + k)y + ny^2), for n >= 1.