A128082 - cp's OEIS frontend

A128082 A diagonal of the triangle A128080 of coefficients of q in the q-analog of the odd double factorials: a(n) = A128080(n+1,n).

n	a(n)
0	1
1	1
2	3
3	9
4	31
5	110
6	400
7	1477
8	5516
9	20775
10	78762
11	300179
12	1148995
13	4413877
14	17007798
15	65707390
16	254430080
17	987162527
18	3836843836
19	14936223511
20	58226118626
21	227271470103
22	888117198666
23	3474154716353
24	13603246639501
25	53310945927025
26	209093495360796

[1, 1, 3, 9, 31, 110, 400, 1477, 5516, 20775, 78762, 300179, 1148995, 4413877, 17007798, 65707390, 254430080, 987162527, 3836843836, 14936223511, 58226118626, 227271470103, 888117198666, 3474154716353, 13603246639501, 53310945927025, 209093495360796]

cp's OEIS Frontend

A128082 A diagonal of the triangle A128080 of coefficients of q in the q-analog of the odd double factorials: a(n) = A128080(n+1,n).

Table of values

List of values