A143399 - cp's OEIS frontend

A143399 Expansion of x^k/Product_{t=k..2k} (1-tx) for k=4.

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	30
6	545
7	7770
8	95781
9	1071630
10	11192665
11	111095490
12	1060634861
13	9822843030
14	88799732385
15	787259974410
16	6869327386741
17	59158464019230
18	503954741177705
19	4254156112792530
20	35637875826743421
21	296621138907400230
22	2455329298857576625

[0, 0, 0, 0, 1, 30, 545, 7770, 95781, 1071630, 11192665, 111095490, 1060634861, 9822843030, 88799732385, 787259974410, 6869327386741, 59158464019230, 503954741177705, 4254156112792530, 35637875826743421, 296621138907400230, 2455329298857576625]

cp's OEIS Frontend

A143399 Expansion of x^k/Product_{t=k..2k} (1-tx) for k=4.

Table of values

List of values