A350251 - cp's OEIS frontend

A350251 Number of non-alternating permutations of the multiset of prime factors of n.

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	1
9	1
10	0
11	0
12	2
13	0
14	0
15	0
16	1
17	0
18	2
19	0
20	2
21	0
22	0
23	0
24	4
25	1
26	0
27	1
28	2
29	0
30	2
31	0
32	1
33	0
34	0
35	0
36	4
37	0
38	0
39	0
40	4
41	0
42	2
43	0
44	2
45	2
46	0
47	0
48	5
49	1
50	2
51	0
52	2
53	0
54	4
55	0
56	4
57	0
58	0
59	0
60	8
61	0
62	0
63	2
64	1
65	0
66	2
67	0
68	2
69	0
70	2
71	0
72	9
73	0
74	0
75	2
76	2
77	0
78	2
79	0
80	5
81	1
82	0
83	0
84	8
85	0
86	0
87	0

[0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 2, 0, 0, 0, 1, 0, 2, 0, 2, 0, 0, 0, 4, 1, 0, 1, 2, 0, 2, 0, 1, 0, 0, 0, 4, 0, 0, 0, 4, 0, 2, 0, 2, 2, 0, 0, 5, 1, 2, 0, 2, 0, 4, 0, 4, 0, 0, 0, 8, 0, 0, 2, 1, 0, 2, 0, 2, 0, 2, 0, 9, 0, 0, 2, 2, 0, 2, 0, 5, 1, 0, 0, 8, 0, 0, 0]

cp's OEIS Frontend

A350251 Number of non-alternating permutations of the multiset of prime factors of n.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	1
9	1
10	0
11	0
12	2
13	0
14	0
15	0
16	1
17	0
18	2
19	0
20	2
21	0
22	0
23	0
24	4
25	1
26	0
27	1
28	2
29	0
30	2
31	0
32	1
33	0
34	0
35	0
36	4
37	0
38	0
39	0
40	4
41	0
42	2
43	0
44	2
45	2
46	0
47	0
48	5
49	1
50	2
51	0
52	2
53	0
54	4
55	0
56	4
57	0
58	0
59	0
60	8
61	0
62	0
63	2
64	1
65	0
66	2
67	0
68	2
69	0
70	2
71	0
72	9
73	0
74	0
75	2
76	2
77	0
78	2
79	0
80	5
81	1
82	0
83	0
84	8
85	0
86	0
87	0

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	1
9	1
10	0
11	0
12	2
13	0
14	0
15	0
16	1
17	0
18	2
19	0
20	2
21	0
22	0
23	0
24	4
25	1
26	0
27	1
28	2
29	0
30	2
31	0
32	1
33	0
34	0
35	0
36	4
37	0
38	0
39	0
40	4
41	0
42	2
43	0
44	2
45	2
46	0
47	0
48	5
49	1
50	2
51	0
52	2
53	0
54	4
55	0
56	4
57	0
58	0
59	0
60	8
61	0
62	0
63	2
64	1
65	0
66	2
67	0
68	2
69	0
70	2
71	0
72	9
73	0
74	0
75	2
76	2
77	0
78	2
79	0
80	5
81	1
82	0
83	0
84	8
85	0
86	0
87	0

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	0
7	0
8	1
9	1
10	0
11	0
12	2
13	0
14	0
15	0
16	1
17	0
18	2
19	0
20	2
21	0
22	0
23	0
24	4
25	1
26	0
27	1
28	2
29	0
30	2
31	0
32	1
33	0
34	0
35	0
36	4
37	0
38	0
39	0
40	4
41	0
42	2
43	0
44	2
45	2
46	0
47	0
48	5
49	1
50	2
51	0
52	2
53	0
54	4
55	0
56	4
57	0
58	0
59	0
60	8
61	0
62	0
63	2
64	1
65	0
66	2
67	0
68	2
69	0
70	2
71	0
72	9
73	0
74	0
75	2
76	2
77	0
78	2
79	0
80	5
81	1
82	0
83	0
84	8
85	0
86	0
87	0