A321396 - cp's OEIS frontend

A321396 Square array read by ascending antidiagonals, A(n, k) for n >= 0 and k >= 0, related to a class of Motzkin trees.

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

[0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 2, 0, 1, 0, 1, 1, 2, 0, 0, 1, 0, 1, 1, 3, 2, 5, 0, 1, 0, 1, 1, 3, 2, 7, 0, 0, 1, 0, 1, 1, 3, 3, 9, 5, 14, 0, 1, 0, 1, 1, 3, 3, 9, 7, 20, 0, 0, 1, 0, 1, 1, 3, 3, 10, 9, 27, 19, 42]

cp's OEIS Frontend

A321396 Square array read by ascending antidiagonals, A(n, k) for n >= 0 and k >= 0, related to a class of Motzkin trees.

Table of values

List of values

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

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

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