A326055 - cp's OEIS frontend

A326055 a(n) = n - {the largest square that divides n}.

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

[0, 1, 2, 0, 4, 5, 6, 4, 0, 9, 10, 8, 12, 13, 14, 0, 16, 9, 18, 16, 20, 21, 22, 20, 0, 25, 18, 24, 28, 29, 30, 16, 32, 33, 34, 0, 36, 37, 38, 36, 40, 41, 42, 40, 36, 45, 46, 32, 0, 25, 50, 48, 52, 45, 54, 52, 56, 57, 58, 56, 60, 61, 54, 0, 64, 65, 66, 64, 68, 69, 70, 36, 72, 73, 50, 72, 76, 77, 78, 64, 0, 81, 82, 80, 84]

cp's OEIS Frontend

A326055 a(n) = n - {the largest square that divides n}.

Table of values

List of values

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

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

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