A072436 - cp's OEIS frontend

A072436 Remove prime factors of form 4*k+3.

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

[1, 2, 1, 4, 5, 2, 1, 8, 1, 10, 1, 4, 13, 2, 5, 16, 17, 2, 1, 20, 1, 2, 1, 8, 25, 26, 1, 4, 29, 10, 1, 32, 1, 34, 5, 4, 37, 2, 13, 40, 41, 2, 1, 4, 5, 2, 1, 16, 1, 50, 17, 52, 53, 2, 5, 8, 1, 58, 1, 20, 61, 2, 1, 64, 65, 2, 1, 68, 1, 10, 1, 8, 73, 74, 25, 4, 1, 26, 1, 80, 1, 82, 1, 4, 85, 2, 29]

cp's OEIS Frontend

A072436 Remove prime factors of form 4*k+3.

Table of values

List of values

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

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

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