A383911 - cp's OEIS frontend

A383911 Expansion of Product_{k=0..4} (1 + kx)/(1 - kx).

n	a(n)
0	1
1	20
2	200
3	1400
4	8000
5	40520
6	190400
7	852200
8	3692000
9	15640520
10	65225600
11	268985000
12	1100372000
13	4475152520
14	18122340800
15	73156029800
16	294627068000
17	1184523016520
18	4756148096000
19	19078784066600
20	76477758500000
21	306398995072520
22	1227060052251200
23	4912632802375400
24	19663709744588000

[1, 20, 200, 1400, 8000, 40520, 190400, 852200, 3692000, 15640520, 65225600, 268985000, 1100372000, 4475152520, 18122340800, 73156029800, 294627068000, 1184523016520, 4756148096000, 19078784066600, 76477758500000, 306398995072520, 1227060052251200, 4912632802375400, 19663709744588000]

cp's OEIS Frontend

A383911 Expansion of Product_{k=0..4} (1 + kx)/(1 - kx).

Table of values

List of values

cp's OEIS Frontend

A383911 Expansion of Product_{k=0..4} (1 + k*x)/(1 - k*x).

Table of values

List of values

A383911 Expansion of Product_{k=0..4} (1 + kx)/(1 - kx).