A156646 - cp's OEIS frontend

A156646 Triangle T(n, k, m) = b(n,m)/(b(k,m)*b(n-k,m)), where b(n, k) = Product_{j=1..n} (1 - ChebyshevT(j, k+1)^2), b(n, 0) = n!, and m = 10, read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	484
5	1
6	1
7	233289
8	233289
9	1
10	1
11	112444816
12	54198633636
13	112444816
14	1
15	1
16	54198168025
17	12591535188240100
18	12591535188240100
19	54198168025
20	1
21	1
22	26123404543236
23	2925290638056514680225
24	1409984043580226203632400
25	2925290638056514680225
26	26123404543236
27	1

[1, 1, 1, 1, 484, 1, 1, 233289, 233289, 1, 1, 112444816, 54198633636, 112444816, 1, 1, 54198168025, 12591535188240100, 12591535188240100, 54198168025, 1, 1, 26123404543236, 2925290638056514680225, 1409984043580226203632400, 2925290638056514680225, 26123404543236, 1]

cp's OEIS Frontend

A156646 Triangle T(n, k, m) = b(n,m)/(b(k,m)*b(n-k,m)), where b(n, k) = Product_{j=1..n} (1 - ChebyshevT(j, k+1)^2), b(n, 0) = n!, and m = 10, read by rows.

Table of values

List of values