A172497 - cp's OEIS frontend

A172497 Triangle T(n, k) = round( c(n)/(c(k)*c(n-k)) ) where c(n) = Product_{j=1..n} A029826(j+10), 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	1
17	2
18	2
19	1
20	1
21	1
22	2
23	2
24	4
25	2
26	2
27	1
28	1
29	3
30	6
31	6
32	6
33	6
34	3
35	1
36	1
37	2
38	6
39	12
40	6
41	12
42	6
43	2
44	1
45	1
46	4
47	8
48	24
49	24
50	24
51	24
52	8
53	4
54	1
55	1
56	3
57	12
58	24
59	36
60	72
61	36
62	24
63	12
64	3
65	1
66	1
67	5
68	15
69	60
70	60
71	180
72	180
73	60
74	60
75	15
76	5
77	1
78	1
79	5
80	25
81	75
82	150
83	300
84	450
85	300
86	150
87	75
88	25
89	5
90	1

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 2, 4, 2, 2, 1, 1, 3, 6, 6, 6, 6, 3, 1, 1, 2, 6, 12, 6, 12, 6, 2, 1, 1, 4, 8, 24, 24, 24, 24, 8, 4, 1, 1, 3, 12, 24, 36, 72, 36, 24, 12, 3, 1, 1, 5, 15, 60, 60, 180, 180, 60, 60, 15, 5, 1, 1, 5, 25, 75, 150, 300, 450, 300, 150, 75, 25, 5, 1]

cp's OEIS Frontend

A172497 Triangle T(n, k) = round( c(n)/(c(k)*c(n-k)) ) where c(n) = Product_{j=1..n} A029826(j+10), read by rows.

Table of values

List of values

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	1
17	2
18	2
19	1
20	1
21	1
22	2
23	2
24	4
25	2
26	2
27	1
28	1
29	3
30	6
31	6
32	6
33	6
34	3
35	1
36	1
37	2
38	6
39	12
40	6
41	12
42	6
43	2
44	1
45	1
46	4
47	8
48	24
49	24
50	24
51	24
52	8
53	4
54	1
55	1
56	3
57	12
58	24
59	36
60	72
61	36
62	24
63	12
64	3
65	1
66	1
67	5
68	15
69	60
70	60
71	180
72	180
73	60
74	60
75	15
76	5
77	1
78	1
79	5
80	25
81	75
82	150
83	300
84	450
85	300
86	150
87	75
88	25
89	5
90	1

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	1
17	2
18	2
19	1
20	1
21	1
22	2
23	2
24	4
25	2
26	2
27	1
28	1
29	3
30	6
31	6
32	6
33	6
34	3
35	1
36	1
37	2
38	6
39	12
40	6
41	12
42	6
43	2
44	1
45	1
46	4
47	8
48	24
49	24
50	24
51	24
52	8
53	4
54	1
55	1
56	3
57	12
58	24
59	36
60	72
61	36
62	24
63	12
64	3
65	1
66	1
67	5
68	15
69	60
70	60
71	180
72	180
73	60
74	60
75	15
76	5
77	1
78	1
79	5
80	25
81	75
82	150
83	300
84	450
85	300
86	150
87	75
88	25
89	5
90	1

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	1
17	2
18	2
19	1
20	1
21	1
22	2
23	2
24	4
25	2
26	2
27	1
28	1
29	3
30	6
31	6
32	6
33	6
34	3
35	1
36	1
37	2
38	6
39	12
40	6
41	12
42	6
43	2
44	1
45	1
46	4
47	8
48	24
49	24
50	24
51	24
52	8
53	4
54	1
55	1
56	3
57	12
58	24
59	36
60	72
61	36
62	24
63	12
64	3
65	1
66	1
67	5
68	15
69	60
70	60
71	180
72	180
73	60
74	60
75	15
76	5
77	1
78	1
79	5
80	25
81	75
82	150
83	300
84	450
85	300
86	150
87	75
88	25
89	5
90	1