A173047 - cp's OEIS frontend

A173047 Triangle T(n, k, q) = binomial(n, k) + q^n*binomial(n-2, k-1) - 1 with T(n, 0) = T(n, n) = 1 and q = 3, read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	10
5	1
6	1
7	29
8	29
9	1
10	1
11	84
12	167
13	84
14	1
15	1
16	247
17	738
18	738
19	247
20	1
21	1
22	734
23	2930
24	4393
25	2930
26	734
27	1
28	1
29	2193
30	10955
31	21904
32	21904
33	10955
34	2193
35	1
36	1
37	6568
38	39393
39	98470
40	131289
41	98470
42	39393
43	6568
44	1
45	1
46	19691
47	137816
48	413426
49	689030
50	689030
51	413426
52	137816
53	19691
54	1

[1, 1, 1, 1, 10, 1, 1, 29, 29, 1, 1, 84, 167, 84, 1, 1, 247, 738, 738, 247, 1, 1, 734, 2930, 4393, 2930, 734, 1, 1, 2193, 10955, 21904, 21904, 10955, 2193, 1, 1, 6568, 39393, 98470, 131289, 98470, 39393, 6568, 1, 1, 19691, 137816, 413426, 689030, 689030, 413426, 137816, 19691, 1]

cp's OEIS Frontend

A173047 Triangle T(n, k, q) = binomial(n, k) + q^n*binomial(n-2, k-1) - 1 with T(n, 0) = T(n, n) = 1 and q = 3, read by rows.

Table of values

List of values