A377377 - cp's OEIS frontend

A377377 a(n) is the quotient of the practical number A005153(n) divided by its largest divisor that is primitive practical.

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	2
7	8
8	3
9	1
10	4
11	1
12	1
13	16
14	6
15	2
16	1
17	8
18	9
19	2
20	2
21	32
22	1
23	12
24	1
25	4
26	2
27	1
28	3
29	16
30	5
31	1
32	18
33	4
34	4
35	3
36	64
37	2
38	1
39	24
40	5
41	2
42	8
43	27
44	4
45	2
46	6
47	32
48	7
49	3
50	10
51	1
52	2
53	1
54	36
55	1
56	8
57	1
58	3
59	8
60	6
61	128
62	1
63	3
64	9
65	1
66	1
67	2
68	48
69	7
70	10
71	1
72	1
73	1
74	3
75	16
76	54
77	1
78	8
79	1
80	1
81	1
82	4
83	12
84	1
85	1
86	9
87	1
88	64
89	1
90	14
91	6
92	20
93	2
94	1
95	4
96	2
97	72
98	2
99	16
100	15
101	2
102	1
103	1
104	1
105	6
106	1
107	16
108	81
109	1
110	25
111	12

[1, 1, 2, 1, 4, 2, 8, 3, 1, 4, 1, 1, 16, 6, 2, 1, 8, 9, 2, 2, 32, 1, 12, 1, 4, 2, 1, 3, 16, 5, 1, 18, 4, 4, 3, 64, 2, 1, 24, 5, 2, 8, 27, 4, 2, 6, 32, 7, 3, 10, 1, 2, 1, 36, 1, 8, 1, 3, 8, 6, 128, 1, 3, 9, 1, 1, 2, 48, 7, 10, 1, 1, 1, 3, 16, 54, 1, 8, 1, 1, 1, 4, 12, 1, 1, 9, 1, 64, 1, 14, 6, 20, 2, 1, 4, 2, 72, 2, 16, 15, 2, 1, 1, 1, 6, 1, 16, 81, 1, 25, 12]

cp's OEIS Frontend

A377377 a(n) is the quotient of the practical number A005153(n) divided by its largest divisor that is primitive practical.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	2
7	8
8	3
9	1
10	4
11	1
12	1
13	16
14	6
15	2
16	1
17	8
18	9
19	2
20	2
21	32
22	1
23	12
24	1
25	4
26	2
27	1
28	3
29	16
30	5
31	1
32	18
33	4
34	4
35	3
36	64
37	2
38	1
39	24
40	5
41	2
42	8
43	27
44	4
45	2
46	6
47	32
48	7
49	3
50	10
51	1
52	2
53	1
54	36
55	1
56	8
57	1
58	3
59	8
60	6
61	128
62	1
63	3
64	9
65	1
66	1
67	2
68	48
69	7
70	10
71	1
72	1
73	1
74	3
75	16
76	54
77	1
78	8
79	1
80	1
81	1
82	4
83	12
84	1
85	1
86	9
87	1
88	64
89	1
90	14
91	6
92	20
93	2
94	1
95	4
96	2
97	72
98	2
99	16
100	15
101	2
102	1
103	1
104	1
105	6
106	1
107	16
108	81
109	1
110	25
111	12

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	2
7	8
8	3
9	1
10	4
11	1
12	1
13	16
14	6
15	2
16	1
17	8
18	9
19	2
20	2
21	32
22	1
23	12
24	1
25	4
26	2
27	1
28	3
29	16
30	5
31	1
32	18
33	4
34	4
35	3
36	64
37	2
38	1
39	24
40	5
41	2
42	8
43	27
44	4
45	2
46	6
47	32
48	7
49	3
50	10
51	1
52	2
53	1
54	36
55	1
56	8
57	1
58	3
59	8
60	6
61	128
62	1
63	3
64	9
65	1
66	1
67	2
68	48
69	7
70	10
71	1
72	1
73	1
74	3
75	16
76	54
77	1
78	8
79	1
80	1
81	1
82	4
83	12
84	1
85	1
86	9
87	1
88	64
89	1
90	14
91	6
92	20
93	2
94	1
95	4
96	2
97	72
98	2
99	16
100	15
101	2
102	1
103	1
104	1
105	6
106	1
107	16
108	81
109	1
110	25
111	12

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	2
7	8
8	3
9	1
10	4
11	1
12	1
13	16
14	6
15	2
16	1
17	8
18	9
19	2
20	2
21	32
22	1
23	12
24	1
25	4
26	2
27	1
28	3
29	16
30	5
31	1
32	18
33	4
34	4
35	3
36	64
37	2
38	1
39	24
40	5
41	2
42	8
43	27
44	4
45	2
46	6
47	32
48	7
49	3
50	10
51	1
52	2
53	1
54	36
55	1
56	8
57	1
58	3
59	8
60	6
61	128
62	1
63	3
64	9
65	1
66	1
67	2
68	48
69	7
70	10
71	1
72	1
73	1
74	3
75	16
76	54
77	1
78	8
79	1
80	1
81	1
82	4
83	12
84	1
85	1
86	9
87	1
88	64
89	1
90	14
91	6
92	20
93	2
94	1
95	4
96	2
97	72
98	2
99	16
100	15
101	2
102	1
103	1
104	1
105	6
106	1
107	16
108	81
109	1
110	25
111	12