A332672 - cp's OEIS frontend

A332672 Number of non-unimodal permutations of a multiset whose multiplicities are the prime indices of n.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	2
9	3
10	0
11	0
12	6
13	0
14	0
15	6
16	16
17	0
18	21
19	0
20	12
21	10
22	0
23	0
24	48
25	16
26	0
27	81
28	20
29	0
30	48
31	0
32	104
33	15
34	0
35	30
36	162
37	0
38	0
39	21
40	104
41	0
42	90
43	0
44	30
45	198
46	0
47	0
48	336
49	65
50	124
51	28
52	42
53	0
54	603
55	50
56	190
57	36
58	0
59	0
60	396
61	0
62	0
63	405
64	688
65	77
66	150
67	0
68	56
69	45
70	260
71	0

[0, 0, 0, 0, 0, 0, 0, 2, 3, 0, 0, 6, 0, 0, 6, 16, 0, 21, 0, 12, 10, 0, 0, 48, 16, 0, 81, 20, 0, 48, 0, 104, 15, 0, 30, 162, 0, 0, 21, 104, 0, 90, 0, 30, 198, 0, 0, 336, 65, 124, 28, 42, 0, 603, 50, 190, 36, 0, 0, 396, 0, 0, 405, 688, 77, 150, 0, 56, 45, 260, 0]

cp's OEIS Frontend

A332672 Number of non-unimodal permutations of a multiset whose multiplicities are the prime indices of n.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	2
9	3
10	0
11	0
12	6
13	0
14	0
15	6
16	16
17	0
18	21
19	0
20	12
21	10
22	0
23	0
24	48
25	16
26	0
27	81
28	20
29	0
30	48
31	0
32	104
33	15
34	0
35	30
36	162
37	0
38	0
39	21
40	104
41	0
42	90
43	0
44	30
45	198
46	0
47	0
48	336
49	65
50	124
51	28
52	42
53	0
54	603
55	50
56	190
57	36
58	0
59	0
60	396
61	0
62	0
63	405
64	688
65	77
66	150
67	0
68	56
69	45
70	260
71	0

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	2
9	3
10	0
11	0
12	6
13	0
14	0
15	6
16	16
17	0
18	21
19	0
20	12
21	10
22	0
23	0
24	48
25	16
26	0
27	81
28	20
29	0
30	48
31	0
32	104
33	15
34	0
35	30
36	162
37	0
38	0
39	21
40	104
41	0
42	90
43	0
44	30
45	198
46	0
47	0
48	336
49	65
50	124
51	28
52	42
53	0
54	603
55	50
56	190
57	36
58	0
59	0
60	396
61	0
62	0
63	405
64	688
65	77
66	150
67	0
68	56
69	45
70	260
71	0

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	2
9	3
10	0
11	0
12	6
13	0
14	0
15	6
16	16
17	0
18	21
19	0
20	12
21	10
22	0
23	0
24	48
25	16
26	0
27	81
28	20
29	0
30	48
31	0
32	104
33	15
34	0
35	30
36	162
37	0
38	0
39	21
40	104
41	0
42	90
43	0
44	30
45	198
46	0
47	0
48	336
49	65
50	124
51	28
52	42
53	0
54	603
55	50
56	190
57	36
58	0
59	0
60	396
61	0
62	0
63	405
64	688
65	77
66	150
67	0
68	56
69	45
70	260
71	0