A306438 - cp's OEIS frontend

A306438 Number of non-crossing set partitions whose block sizes are the prime indices of n.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	3
7	1
8	1
9	2
10	4
11	1
12	6
13	1
14	5
15	5
16	1
17	1
18	10
19	1
20	10
21	6
22	6
23	1
24	10
25	3
26	7
27	5
28	15
29	1
30	30
31	1
32	1
33	7
34	8
35	7
36	30
37	1
38	9
39	8
40	20
41	1
42	42
43	1
44	21
45	21
46	10
47	1
48	15
49	4
50	21
51	9
52	28
53	1
54	35
55	8
56	35
57	10
58	11
59	1
60	105
61	1
62	12
63	28
64	1
65	9
66	56
67	1
68	36
69	11
70	56
71	1
72	70
73	1
74	13
75	28
76	45
77	9

[1, 1, 1, 1, 1, 3, 1, 1, 2, 4, 1, 6, 1, 5, 5, 1, 1, 10, 1, 10, 6, 6, 1, 10, 3, 7, 5, 15, 1, 30, 1, 1, 7, 8, 7, 30, 1, 9, 8, 20, 1, 42, 1, 21, 21, 10, 1, 15, 4, 21, 9, 28, 1, 35, 8, 35, 10, 11, 1, 105, 1, 12, 28, 1, 9, 56, 1, 36, 11, 56, 1, 70, 1, 13, 28, 45, 9]

cp's OEIS Frontend

A306438 Number of non-crossing set partitions whose block sizes are the prime indices of n.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	3
7	1
8	1
9	2
10	4
11	1
12	6
13	1
14	5
15	5
16	1
17	1
18	10
19	1
20	10
21	6
22	6
23	1
24	10
25	3
26	7
27	5
28	15
29	1
30	30
31	1
32	1
33	7
34	8
35	7
36	30
37	1
38	9
39	8
40	20
41	1
42	42
43	1
44	21
45	21
46	10
47	1
48	15
49	4
50	21
51	9
52	28
53	1
54	35
55	8
56	35
57	10
58	11
59	1
60	105
61	1
62	12
63	28
64	1
65	9
66	56
67	1
68	36
69	11
70	56
71	1
72	70
73	1
74	13
75	28
76	45
77	9

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	3
7	1
8	1
9	2
10	4
11	1
12	6
13	1
14	5
15	5
16	1
17	1
18	10
19	1
20	10
21	6
22	6
23	1
24	10
25	3
26	7
27	5
28	15
29	1
30	30
31	1
32	1
33	7
34	8
35	7
36	30
37	1
38	9
39	8
40	20
41	1
42	42
43	1
44	21
45	21
46	10
47	1
48	15
49	4
50	21
51	9
52	28
53	1
54	35
55	8
56	35
57	10
58	11
59	1
60	105
61	1
62	12
63	28
64	1
65	9
66	56
67	1
68	36
69	11
70	56
71	1
72	70
73	1
74	13
75	28
76	45
77	9

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	3
7	1
8	1
9	2
10	4
11	1
12	6
13	1
14	5
15	5
16	1
17	1
18	10
19	1
20	10
21	6
22	6
23	1
24	10
25	3
26	7
27	5
28	15
29	1
30	30
31	1
32	1
33	7
34	8
35	7
36	30
37	1
38	9
39	8
40	20
41	1
42	42
43	1
44	21
45	21
46	10
47	1
48	15
49	4
50	21
51	9
52	28
53	1
54	35
55	8
56	35
57	10
58	11
59	1
60	105
61	1
62	12
63	28
64	1
65	9
66	56
67	1
68	36
69	11
70	56
71	1
72	70
73	1
74	13
75	28
76	45
77	9