A073356 - cp's OEIS frontend

A073356 Greatest common divisor of squarefree kernel of n and sum of squarefree kernels of numbers <= n.

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

[1, 1, 3, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 5, 2, 17, 1, 1, 2, 7, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 3, 1, 1, 6, 1, 1, 3, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 53, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 1, 1, 1, 14, 1, 1, 1, 2, 1, 1, 7, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1]

cp's OEIS Frontend

A073356 Greatest common divisor of squarefree kernel of n and sum of squarefree kernels of numbers <= n.

Table of values

List of values

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

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

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