A253184 - cp's OEIS frontend

A253184 Triangle T(n,m) = Sum_{k=1..(n-m)/2} C(m, k)*T((n-m)/2, k), T(n,n)=1.

n	a(n)
1	1
2	0
3	1
4	1
5	0
6	1
7	0
8	2
9	0
10	1
11	0
12	0
13	3
14	0
15	1
16	0
17	1
18	0
19	4
20	0
21	1
22	1
23	0
24	3
25	0
26	5
27	0
28	1
29	0
30	2
31	0
32	6
33	0
34	6
35	0
36	1
37	0
38	0
39	4
40	0
41	10
42	0
43	7
44	0
45	1
46	0
47	2
48	0
49	8
50	0
51	15
52	0
53	8
54	0
55	1
56	0
57	0
58	6
59	0
60	15
61	0
62	21
63	0
64	9
65	0
66	1
67	0
68	0
69	0
70	13
71	0
72	26
73	0
74	28
75	0
76	10
77	0
78	1

[1, 0, 1, 1, 0, 1, 0, 2, 0, 1, 0, 0, 3, 0, 1, 0, 1, 0, 4, 0, 1, 1, 0, 3, 0, 5, 0, 1, 0, 2, 0, 6, 0, 6, 0, 1, 0, 0, 4, 0, 10, 0, 7, 0, 1, 0, 2, 0, 8, 0, 15, 0, 8, 0, 1, 0, 0, 6, 0, 15, 0, 21, 0, 9, 0, 1, 0, 0, 0, 13, 0, 26, 0, 28, 0, 10, 0, 1]

cp's OEIS Frontend

A253184 Triangle T(n,m) = Sum_{k=1..(n-m)/2} C(m, k)*T((n-m)/2, k), T(n,n)=1.

Table of values

List of values

n	a(n)
1	1
2	0
3	1
4	1
5	0
6	1
7	0
8	2
9	0
10	1
11	0
12	0
13	3
14	0
15	1
16	0
17	1
18	0
19	4
20	0
21	1
22	1
23	0
24	3
25	0
26	5
27	0
28	1
29	0
30	2
31	0
32	6
33	0
34	6
35	0
36	1
37	0
38	0
39	4
40	0
41	10
42	0
43	7
44	0
45	1
46	0
47	2
48	0
49	8
50	0
51	15
52	0
53	8
54	0
55	1
56	0
57	0
58	6
59	0
60	15
61	0
62	21
63	0
64	9
65	0
66	1
67	0
68	0
69	0
70	13
71	0
72	26
73	0
74	28
75	0
76	10
77	0
78	1

n	a(n)
1	1
2	0
3	1
4	1
5	0
6	1
7	0
8	2
9	0
10	1
11	0
12	0
13	3
14	0
15	1
16	0
17	1
18	0
19	4
20	0
21	1
22	1
23	0
24	3
25	0
26	5
27	0
28	1
29	0
30	2
31	0
32	6
33	0
34	6
35	0
36	1
37	0
38	0
39	4
40	0
41	10
42	0
43	7
44	0
45	1
46	0
47	2
48	0
49	8
50	0
51	15
52	0
53	8
54	0
55	1
56	0
57	0
58	6
59	0
60	15
61	0
62	21
63	0
64	9
65	0
66	1
67	0
68	0
69	0
70	13
71	0
72	26
73	0
74	28
75	0
76	10
77	0
78	1

n	a(n)
1	1
2	0
3	1
4	1
5	0
6	1
7	0
8	2
9	0
10	1
11	0
12	0
13	3
14	0
15	1
16	0
17	1
18	0
19	4
20	0
21	1
22	1
23	0
24	3
25	0
26	5
27	0
28	1
29	0
30	2
31	0
32	6
33	0
34	6
35	0
36	1
37	0
38	0
39	4
40	0
41	10
42	0
43	7
44	0
45	1
46	0
47	2
48	0
49	8
50	0
51	15
52	0
53	8
54	0
55	1
56	0
57	0
58	6
59	0
60	15
61	0
62	21
63	0
64	9
65	0
66	1
67	0
68	0
69	0
70	13
71	0
72	26
73	0
74	28
75	0
76	10
77	0
78	1