A128598 - cp's OEIS frontend

A128598 Column 3 of triangle A128596; a(n) = coefficient of q^(3n+9) in the q-analog of the even double factorials (2n+6)!! for n>=0.

n	a(n)
0	1
1	24
2	297
3	3210
4	32510
5	318171
6	3054100
7	28980565
8	273077443
9	2562036673
10	23973009386
11	223949654108
12	2090070431683
13	19496003736658
14	181815760387221
15	1695523268254637
16	15813185728272754
17	147508341317700463

[1, 24, 297, 3210, 32510, 318171, 3054100, 28980565, 273077443, 2562036673, 23973009386, 223949654108, 2090070431683, 19496003736658, 181815760387221, 1695523268254637, 15813185728272754, 147508341317700463]

cp's OEIS Frontend

A128598 Column 3 of triangle A128596; a(n) = coefficient of q^(3n+9) in the q-analog of the even double factorials (2n+6)!! for n>=0.

Table of values

List of values