A173504 - cp's OEIS frontend

A173504 Triangle T(n, k, q) = c(n, q)/(c(k, q)*c(n-k, q)) where c(n,q) = Product_{j=1..n} (q^j -1)^(n-j) and q = 3, read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	16
8	16
9	1
10	1
11	416
12	3328
13	416
14	1
15	1
16	33280
17	6922240
18	6922240
19	33280
20	1
21	1
22	8053760
23	134014566400
24	3484378726400
25	134014566400
26	8053760
27	1
28	1
29	5863137280
30	23610150250086400
31	49109112520179712000
32	49109112520179712000
33	23610150250086400
34	5863137280
35	1

[1, 1, 1, 1, 2, 1, 1, 16, 16, 1, 1, 416, 3328, 416, 1, 1, 33280, 6922240, 6922240, 33280, 1, 1, 8053760, 134014566400, 3484378726400, 134014566400, 8053760, 1, 1, 5863137280, 23610150250086400, 49109112520179712000, 49109112520179712000, 23610150250086400, 5863137280, 1]

cp's OEIS Frontend

A173504 Triangle T(n, k, q) = c(n, q)/(c(k, q)*c(n-k, q)) where c(n,q) = Product_{j=1..n} (q^j -1)^(n-j) and q = 3, read by rows.

Table of values

List of values