A113543 - cp's OEIS frontend

A113543 Numbers both squarefree and triangle-free.

n	a(n)
1	1
2	2
3	5
4	7
5	11
6	13
7	14
8	17
9	19
10	22
11	23
12	26
13	29
14	31
15	34
16	35
17	37
18	38
19	41
20	43
21	46
22	47
23	53
24	58
25	59
26	61
27	62
28	65
29	67
30	71
31	73
32	74
33	77
34	79
35	82
36	83
37	85
38	86
39	89
40	94
41	95
42	97
43	101
44	103
45	106
46	107
47	109
48	113
49	115
50	118
51	119
52	122
53	127
54	131
55	133
56	134
57	137
58	139
59	142
60	143
61	145

[1, 2, 5, 7, 11, 13, 14, 17, 19, 22, 23, 26, 29, 31, 34, 35, 37, 38, 41, 43, 46, 47, 53, 58, 59, 61, 62, 65, 67, 71, 73, 74, 77, 79, 82, 83, 85, 86, 89, 94, 95, 97, 101, 103, 106, 107, 109, 113, 115, 118, 119, 122, 127, 131, 133, 134, 137, 139, 142, 143, 145]

cp's OEIS Frontend

A113543 Numbers both squarefree and triangle-free.

Table of values

List of values

n	a(n)
1	1
2	2
3	5
4	7
5	11
6	13
7	14
8	17
9	19
10	22
11	23
12	26
13	29
14	31
15	34
16	35
17	37
18	38
19	41
20	43
21	46
22	47
23	53
24	58
25	59
26	61
27	62
28	65
29	67
30	71
31	73
32	74
33	77
34	79
35	82
36	83
37	85
38	86
39	89
40	94
41	95
42	97
43	101
44	103
45	106
46	107
47	109
48	113
49	115
50	118
51	119
52	122
53	127
54	131
55	133
56	134
57	137
58	139
59	142
60	143
61	145

n	a(n)
1	1
2	2
3	5
4	7
5	11
6	13
7	14
8	17
9	19
10	22
11	23
12	26
13	29
14	31
15	34
16	35
17	37
18	38
19	41
20	43
21	46
22	47
23	53
24	58
25	59
26	61
27	62
28	65
29	67
30	71
31	73
32	74
33	77
34	79
35	82
36	83
37	85
38	86
39	89
40	94
41	95
42	97
43	101
44	103
45	106
46	107
47	109
48	113
49	115
50	118
51	119
52	122
53	127
54	131
55	133
56	134
57	137
58	139
59	142
60	143
61	145

n	a(n)
1	1
2	2
3	5
4	7
5	11
6	13
7	14
8	17
9	19
10	22
11	23
12	26
13	29
14	31
15	34
16	35
17	37
18	38
19	41
20	43
21	46
22	47
23	53
24	58
25	59
26	61
27	62
28	65
29	67
30	71
31	73
32	74
33	77
34	79
35	82
36	83
37	85
38	86
39	89
40	94
41	95
42	97
43	101
44	103
45	106
46	107
47	109
48	113
49	115
50	118
51	119
52	122
53	127
54	131
55	133
56	134
57	137
58	139
59	142
60	143
61	145