A039909 - cp's OEIS frontend

A039909 Largest coefficient in expansion of Product_{i=1..n} (1-q^1+q^2-...+(-q)^i).

n	a(n)
0	1
1	1
2	2
3	5
4	20
5	101
6	573
7	3836
8	29228
9	250749
10	2409581
11	25380120
12	294625748
13	3727542188
14	50626553988
15	738680521142
16	11501573822788
17	190418421447330
18	3344822488498265
19	61995904304519920
20	1212867413232346644
21	24965661442811799655
22	538134522243713149122

[1, 1, 2, 5, 20, 101, 573, 3836, 29228, 250749, 2409581, 25380120, 294625748, 3727542188, 50626553988, 738680521142, 11501573822788, 190418421447330, 3344822488498265, 61995904304519920, 1212867413232346644, 24965661442811799655, 538134522243713149122]

cp's OEIS Frontend

A039909 Largest coefficient in expansion of Product_{i=1..n} (1-q^1+q^2-...+(-q)^i).

Table of values

List of values