A293273 - cp's OEIS frontend

A293273 a(n) is the smallest positive k <> n such that f(k) is divisible by f(n) where f = A005132, or 0 if no such k exists.

n	a(n)
1	2
2	3
3	8
4	3
5	9
6	35
7	43
8	15
9	20
10	11
11	28
12	7
13	32
14	21
15	83
16	15
17	69
18	26
19	152
20	24
21	116
22	47
23	44
24	20
25	48
26	18
27	43
28	59
29	30
30	63
31	20
32	104
33	41
34	71
35	39
36	75
37	72
38	35
39	35
40	36
41	33
42	79
43	92
44	83
45	96
46	87
47	100
48	91
49	245
50	95
51	239
52	67
53	276
54	19
55	119
56	63
57	109
58	57
59	103
60	51
61	185
62	45
63	139
64	35
65	145
66	86
67	415
68	84
69	192
70	82
71	184
72	80
73	180
74	78
75	176

[2, 3, 8, 3, 9, 35, 43, 15, 20, 11, 28, 7, 32, 21, 83, 15, 69, 26, 152, 24, 116, 47, 44, 20, 48, 18, 43, 59, 30, 63, 20, 104, 41, 71, 39, 75, 72, 35, 35, 36, 33, 79, 92, 83, 96, 87, 100, 91, 245, 95, 239, 67, 276, 19, 119, 63, 109, 57, 103, 51, 185, 45, 139, 35, 145, 86, 415, 84, 192, 82, 184, 80, 180, 78, 176]

cp's OEIS Frontend

A293273 a(n) is the smallest positive k <> n such that f(k) is divisible by f(n) where f = A005132, or 0 if no such k exists.

Table of values

List of values

n	a(n)
1	2
2	3
3	8
4	3
5	9
6	35
7	43
8	15
9	20
10	11
11	28
12	7
13	32
14	21
15	83
16	15
17	69
18	26
19	152
20	24
21	116
22	47
23	44
24	20
25	48
26	18
27	43
28	59
29	30
30	63
31	20
32	104
33	41
34	71
35	39
36	75
37	72
38	35
39	35
40	36
41	33
42	79
43	92
44	83
45	96
46	87
47	100
48	91
49	245
50	95
51	239
52	67
53	276
54	19
55	119
56	63
57	109
58	57
59	103
60	51
61	185
62	45
63	139
64	35
65	145
66	86
67	415
68	84
69	192
70	82
71	184
72	80
73	180
74	78
75	176

n	a(n)
1	2
2	3
3	8
4	3
5	9
6	35
7	43
8	15
9	20
10	11
11	28
12	7
13	32
14	21
15	83
16	15
17	69
18	26
19	152
20	24
21	116
22	47
23	44
24	20
25	48
26	18
27	43
28	59
29	30
30	63
31	20
32	104
33	41
34	71
35	39
36	75
37	72
38	35
39	35
40	36
41	33
42	79
43	92
44	83
45	96
46	87
47	100
48	91
49	245
50	95
51	239
52	67
53	276
54	19
55	119
56	63
57	109
58	57
59	103
60	51
61	185
62	45
63	139
64	35
65	145
66	86
67	415
68	84
69	192
70	82
71	184
72	80
73	180
74	78
75	176

n	a(n)
1	2
2	3
3	8
4	3
5	9
6	35
7	43
8	15
9	20
10	11
11	28
12	7
13	32
14	21
15	83
16	15
17	69
18	26
19	152
20	24
21	116
22	47
23	44
24	20
25	48
26	18
27	43
28	59
29	30
30	63
31	20
32	104
33	41
34	71
35	39
36	75
37	72
38	35
39	35
40	36
41	33
42	79
43	92
44	83
45	96
46	87
47	100
48	91
49	245
50	95
51	239
52	67
53	276
54	19
55	119
56	63
57	109
58	57
59	103
60	51
61	185
62	45
63	139
64	35
65	145
66	86
67	415
68	84
69	192
70	82
71	184
72	80
73	180
74	78
75	176