A319138 - cp's OEIS frontend

A319138 Number of complete strict planar branching factorizations of n.

n	a(n)
1	0
2	1
3	1
4	0
5	1
6	2
7	1
8	0
9	0
10	2
11	1
12	4
13	1
14	2
15	2
16	0
17	1
18	4
19	1
20	4
21	2
22	2
23	1
24	8
25	0
26	2
27	0
28	4
29	1
30	18
31	1
32	0
33	2
34	2
35	2
36	28
37	1
38	2
39	2
40	8
41	1
42	18
43	1
44	4
45	4
46	2
47	1
48	16
49	0
50	4
51	2
52	4
53	1
54	8
55	2
56	8
57	2
58	2
59	1
60	84
61	1
62	2
63	4
64	0
65	2
66	18
67	1
68	4
69	2
70	18
71	1
72	112
73	1
74	2
75	4
76	4
77	2
78	18
79	1
80	16
81	0
82	2
83	1

[0, 1, 1, 0, 1, 2, 1, 0, 0, 2, 1, 4, 1, 2, 2, 0, 1, 4, 1, 4, 2, 2, 1, 8, 0, 2, 0, 4, 1, 18, 1, 0, 2, 2, 2, 28, 1, 2, 2, 8, 1, 18, 1, 4, 4, 2, 1, 16, 0, 4, 2, 4, 1, 8, 2, 8, 2, 2, 1, 84, 1, 2, 4, 0, 2, 18, 1, 4, 2, 18, 1, 112, 1, 2, 4, 4, 2, 18, 1, 16, 0, 2, 1]

cp's OEIS Frontend

A319138 Number of complete strict planar branching factorizations of n.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	0
5	1
6	2
7	1
8	0
9	0
10	2
11	1
12	4
13	1
14	2
15	2
16	0
17	1
18	4
19	1
20	4
21	2
22	2
23	1
24	8
25	0
26	2
27	0
28	4
29	1
30	18
31	1
32	0
33	2
34	2
35	2
36	28
37	1
38	2
39	2
40	8
41	1
42	18
43	1
44	4
45	4
46	2
47	1
48	16
49	0
50	4
51	2
52	4
53	1
54	8
55	2
56	8
57	2
58	2
59	1
60	84
61	1
62	2
63	4
64	0
65	2
66	18
67	1
68	4
69	2
70	18
71	1
72	112
73	1
74	2
75	4
76	4
77	2
78	18
79	1
80	16
81	0
82	2
83	1

n	a(n)
1	0
2	1
3	1
4	0
5	1
6	2
7	1
8	0
9	0
10	2
11	1
12	4
13	1
14	2
15	2
16	0
17	1
18	4
19	1
20	4
21	2
22	2
23	1
24	8
25	0
26	2
27	0
28	4
29	1
30	18
31	1
32	0
33	2
34	2
35	2
36	28
37	1
38	2
39	2
40	8
41	1
42	18
43	1
44	4
45	4
46	2
47	1
48	16
49	0
50	4
51	2
52	4
53	1
54	8
55	2
56	8
57	2
58	2
59	1
60	84
61	1
62	2
63	4
64	0
65	2
66	18
67	1
68	4
69	2
70	18
71	1
72	112
73	1
74	2
75	4
76	4
77	2
78	18
79	1
80	16
81	0
82	2
83	1

n	a(n)
1	0
2	1
3	1
4	0
5	1
6	2
7	1
8	0
9	0
10	2
11	1
12	4
13	1
14	2
15	2
16	0
17	1
18	4
19	1
20	4
21	2
22	2
23	1
24	8
25	0
26	2
27	0
28	4
29	1
30	18
31	1
32	0
33	2
34	2
35	2
36	28
37	1
38	2
39	2
40	8
41	1
42	18
43	1
44	4
45	4
46	2
47	1
48	16
49	0
50	4
51	2
52	4
53	1
54	8
55	2
56	8
57	2
58	2
59	1
60	84
61	1
62	2
63	4
64	0
65	2
66	18
67	1
68	4
69	2
70	18
71	1
72	112
73	1
74	2
75	4
76	4
77	2
78	18
79	1
80	16
81	0
82	2
83	1