A071537 - cp's OEIS frontend

A071537 Least integer m >= n such that there exist integers k_n, k_n+1, ..., k_m with nonzero k_n, for which n^(k_n) * (n+1)^(k_n+1) * ... * m^(k_m) = 1.

n	a(n)
1	1
2	4
3	6
4	8
5	10
6	9
7	14
8	12
9	15
10	16
11	22
12	18
13	26
14	21
15	20
16	24
17	34
18	25
19	38
20	27
21	28
22	33
23	46
24	30
25	32
26	39
27	35
28	36
29	58
30	40
31	62
32	42
33	44
34	51
35	45
36	48
37	74
38	57
39	52
40	49
41	82
42	50
43	86
44	55
45	54
46	69
47	94
48	56
49	60
50	63
51	68
52	65
53	106
54	64
55	66
56	70
57	76
58	87
59	118
60	72
61	122
62	93
63	75
64	77
65	78
66	80
67	134
68	85
69	92
70	84
71	142
72	81
73	146
74	111
75	88
76	95
77	90
78	91
79	158
80	96
81	98

[1, 4, 6, 8, 10, 9, 14, 12, 15, 16, 22, 18, 26, 21, 20, 24, 34, 25, 38, 27, 28, 33, 46, 30, 32, 39, 35, 36, 58, 40, 62, 42, 44, 51, 45, 48, 74, 57, 52, 49, 82, 50, 86, 55, 54, 69, 94, 56, 60, 63, 68, 65, 106, 64, 66, 70, 76, 87, 118, 72, 122, 93, 75, 77, 78, 80, 134, 85, 92, 84, 142, 81, 146, 111, 88, 95, 90, 91, 158, 96, 98]

cp's OEIS Frontend

A071537 Least integer m >= n such that there exist integers k_n, k_n+1, ..., k_m with nonzero k_n, for which n^(k_n) * (n+1)^(k_n+1) * ... * m^(k_m) = 1.

Table of values

List of values

n	a(n)
1	1
2	4
3	6
4	8
5	10
6	9
7	14
8	12
9	15
10	16
11	22
12	18
13	26
14	21
15	20
16	24
17	34
18	25
19	38
20	27
21	28
22	33
23	46
24	30
25	32
26	39
27	35
28	36
29	58
30	40
31	62
32	42
33	44
34	51
35	45
36	48
37	74
38	57
39	52
40	49
41	82
42	50
43	86
44	55
45	54
46	69
47	94
48	56
49	60
50	63
51	68
52	65
53	106
54	64
55	66
56	70
57	76
58	87
59	118
60	72
61	122
62	93
63	75
64	77
65	78
66	80
67	134
68	85
69	92
70	84
71	142
72	81
73	146
74	111
75	88
76	95
77	90
78	91
79	158
80	96
81	98

n	a(n)
1	1
2	4
3	6
4	8
5	10
6	9
7	14
8	12
9	15
10	16
11	22
12	18
13	26
14	21
15	20
16	24
17	34
18	25
19	38
20	27
21	28
22	33
23	46
24	30
25	32
26	39
27	35
28	36
29	58
30	40
31	62
32	42
33	44
34	51
35	45
36	48
37	74
38	57
39	52
40	49
41	82
42	50
43	86
44	55
45	54
46	69
47	94
48	56
49	60
50	63
51	68
52	65
53	106
54	64
55	66
56	70
57	76
58	87
59	118
60	72
61	122
62	93
63	75
64	77
65	78
66	80
67	134
68	85
69	92
70	84
71	142
72	81
73	146
74	111
75	88
76	95
77	90
78	91
79	158
80	96
81	98

n	a(n)
1	1
2	4
3	6
4	8
5	10
6	9
7	14
8	12
9	15
10	16
11	22
12	18
13	26
14	21
15	20
16	24
17	34
18	25
19	38
20	27
21	28
22	33
23	46
24	30
25	32
26	39
27	35
28	36
29	58
30	40
31	62
32	42
33	44
34	51
35	45
36	48
37	74
38	57
39	52
40	49
41	82
42	50
43	86
44	55
45	54
46	69
47	94
48	56
49	60
50	63
51	68
52	65
53	106
54	64
55	66
56	70
57	76
58	87
59	118
60	72
61	122
62	93
63	75
64	77
65	78
66	80
67	134
68	85
69	92
70	84
71	142
72	81
73	146
74	111
75	88
76	95
77	90
78	91
79	158
80	96
81	98