A344606 - cp's OEIS frontend

A344606 Number of alternating permutations of the prime factors of n, counting multiplicity, including twins (x,x).

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

[1, 1, 1, 1, 1, 2, 1, 0, 1, 2, 1, 1, 1, 2, 2, 0, 1, 1, 1, 1, 2, 2, 1, 0, 1, 2, 0, 1, 1, 4, 1, 0, 2, 2, 2, 2, 1, 2, 2, 0, 1, 4, 1, 1, 1, 2, 1, 0, 1, 1, 2, 1, 1, 0, 2, 0, 2, 2, 1, 4, 1, 2, 1, 0, 2, 4, 1, 1, 2, 4, 1, 1, 1, 2, 1, 1, 2, 4, 1, 0, 0, 2, 1, 4, 2, 2, 2]

cp's OEIS Frontend

A344606 Number of alternating permutations of the prime factors of n, counting multiplicity, including twins (x,x).

Table of values

List of values

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

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

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