A172356 - cp's OEIS frontend

A172356 Triangle T(n, k) = round( c(n)/(c(k)*c(n-k)) ), where c(n) = Product_{j=1..n} A078012(j+3), read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	2
12	2
13	2
14	1
15	1
16	3
17	6
18	6
19	3
20	1
21	1
22	4
23	12
24	24
25	12
26	4
27	1
28	1
29	6
30	24
31	72
32	72
33	24
34	6
35	1
36	1
37	9
38	54
39	216
40	324
41	216
42	54
43	9
44	1
45	1
46	13
47	117
48	702
49	1404
50	1404
51	702
52	117
53	13
54	1
55	1
56	19
57	247
58	2223
59	6669
60	8892
61	6669
62	2223
63	247
64	19
65	1

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 3, 6, 6, 3, 1, 1, 4, 12, 24, 12, 4, 1, 1, 6, 24, 72, 72, 24, 6, 1, 1, 9, 54, 216, 324, 216, 54, 9, 1, 1, 13, 117, 702, 1404, 1404, 702, 117, 13, 1, 1, 19, 247, 2223, 6669, 8892, 6669, 2223, 247, 19, 1]

cp's OEIS Frontend

A172356 Triangle T(n, k) = round( c(n)/(c(k)*c(n-k)) ), where c(n) = Product_{j=1..n} A078012(j+3), read by rows.

Table of values

List of values