A375927 - cp's OEIS frontend

A375927 Numbers k such that A005117(k+1) - A005117(k) = 1. In other words, the k-th squarefree number is 1 less than the next.

n	a(n)
1	1
2	2
3	4
4	5
5	7
6	9
7	10
8	14
9	15
10	18
11	19
12	21
13	22
14	24
15	25
16	27
17	28
18	30
19	35
20	36
21	38
22	40
23	41
24	43
25	44
26	46
27	48
28	49
29	51
30	53
31	54
32	58
33	59
34	62
35	63
36	65
37	66
38	68
39	69
40	71
41	72
42	74
43	76
44	79
45	80
46	82
47	84
48	85
49	87
50	88
51	90
52	94
53	96
54	97
55	101
56	102
57	105
58	107
59	108
60	110
61	111
62	113
63	114
64	116

[1, 2, 4, 5, 7, 9, 10, 14, 15, 18, 19, 21, 22, 24, 25, 27, 28, 30, 35, 36, 38, 40, 41, 43, 44, 46, 48, 49, 51, 53, 54, 58, 59, 62, 63, 65, 66, 68, 69, 71, 72, 74, 76, 79, 80, 82, 84, 85, 87, 88, 90, 94, 96, 97, 101, 102, 105, 107, 108, 110, 111, 113, 114, 116]

cp's OEIS Frontend

A375927 Numbers k such that A005117(k+1) - A005117(k) = 1. In other words, the k-th squarefree number is 1 less than the next.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	5
5	7
6	9
7	10
8	14
9	15
10	18
11	19
12	21
13	22
14	24
15	25
16	27
17	28
18	30
19	35
20	36
21	38
22	40
23	41
24	43
25	44
26	46
27	48
28	49
29	51
30	53
31	54
32	58
33	59
34	62
35	63
36	65
37	66
38	68
39	69
40	71
41	72
42	74
43	76
44	79
45	80
46	82
47	84
48	85
49	87
50	88
51	90
52	94
53	96
54	97
55	101
56	102
57	105
58	107
59	108
60	110
61	111
62	113
63	114
64	116

n	a(n)
1	1
2	2
3	4
4	5
5	7
6	9
7	10
8	14
9	15
10	18
11	19
12	21
13	22
14	24
15	25
16	27
17	28
18	30
19	35
20	36
21	38
22	40
23	41
24	43
25	44
26	46
27	48
28	49
29	51
30	53
31	54
32	58
33	59
34	62
35	63
36	65
37	66
38	68
39	69
40	71
41	72
42	74
43	76
44	79
45	80
46	82
47	84
48	85
49	87
50	88
51	90
52	94
53	96
54	97
55	101
56	102
57	105
58	107
59	108
60	110
61	111
62	113
63	114
64	116

n	a(n)
1	1
2	2
3	4
4	5
5	7
6	9
7	10
8	14
9	15
10	18
11	19
12	21
13	22
14	24
15	25
16	27
17	28
18	30
19	35
20	36
21	38
22	40
23	41
24	43
25	44
26	46
27	48
28	49
29	51
30	53
31	54
32	58
33	59
34	62
35	63
36	65
37	66
38	68
39	69
40	71
41	72
42	74
43	76
44	79
45	80
46	82
47	84
48	85
49	87
50	88
51	90
52	94
53	96
54	97
55	101
56	102
57	105
58	107
59	108
60	110
61	111
62	113
63	114
64	116