A383678 - cp's OEIS frontend

A383678 a(n) = [x^n] Product_{k=0..n} (1 + (2n+k)x).

n	a(n)
0	1
1	5
2	74
3	1650
4	48504
5	1763100
6	76223664
7	3817038960
8	217177416576
9	13834411290720
10	975244141065600
11	75366122480858880
12	6335159176892851200
13	575442172080117538560
14	56165570794932257433600
15	5862137958472255891200000
16	651508569509254106827161600
17	76814449419352043102473728000

[1, 5, 74, 1650, 48504, 1763100, 76223664, 3817038960, 217177416576, 13834411290720, 975244141065600, 75366122480858880, 6335159176892851200, 575442172080117538560, 56165570794932257433600, 5862137958472255891200000, 651508569509254106827161600, 76814449419352043102473728000]

cp's OEIS Frontend

A383678 a(n) = [x^n] Product_{k=0..n} (1 + (2n+k)x).

Table of values

List of values

cp's OEIS Frontend

A383678 a(n) = [x^n] Product_{k=0..n} (1 + (2*n+k)*x).

Table of values

List of values

A383678 a(n) = [x^n] Product_{k=0..n} (1 + (2n+k)x).