A276331 - cp's OEIS frontend

A276331 a(0) = 0 and for n >= 1, a(n) = n minus the largest term of A001563 that divides n.

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

[0, 0, 1, 2, 0, 4, 5, 6, 4, 8, 9, 10, 8, 12, 13, 14, 12, 16, 0, 18, 16, 20, 21, 22, 20, 24, 25, 26, 24, 28, 29, 30, 28, 32, 33, 34, 18, 36, 37, 38, 36, 40, 41, 42, 40, 44, 45, 46, 44, 48, 49, 50, 48, 52, 36, 54, 52, 56, 57, 58, 56, 60, 61, 62, 60, 64, 65, 66, 64, 68, 69, 70, 54, 72, 73, 74, 72, 76, 77, 78, 76, 80, 81, 82, 80]

cp's OEIS Frontend

A276331 a(0) = 0 and for n >= 1, a(n) = n minus the largest term of A001563 that divides n.

Table of values

List of values

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

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

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