A173494 - cp's OEIS frontend

A173494 Numbers m such that no square greater than 1 can be written as sum of distinct divisors of m.

n	a(n)
1	1
2	2
3	5
4	7
5	11
6	13
7	17
8	19
9	23
10	29
11	31
12	37
13	38
14	41
15	43
16	47
17	53
18	58
19	59
20	61
21	65
22	67
23	71
24	73
25	74
26	77
27	79
28	82
29	83
30	85
31	86
32	89
33	91
34	97
35	101
36	103
37	106
38	107
39	109
40	113
41	127
42	131
43	133
44	134
45	137
46	139
47	145
48	146
49	149
50	151
51	157
52	163
53	167
54	173
55	178
56	179
57	181
58	185
59	187
60	191
61	193
62	197

[1, 2, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 38, 41, 43, 47, 53, 58, 59, 61, 65, 67, 71, 73, 74, 77, 79, 82, 83, 85, 86, 89, 91, 97, 101, 103, 106, 107, 109, 113, 127, 131, 133, 134, 137, 139, 145, 146, 149, 151, 157, 163, 167, 173, 178, 179, 181, 185, 187, 191, 193, 197]

cp's OEIS Frontend

A173494 Numbers m such that no square greater than 1 can be written as sum of distinct divisors of m.

Table of values

List of values

n	a(n)
1	1
2	2
3	5
4	7
5	11
6	13
7	17
8	19
9	23
10	29
11	31
12	37
13	38
14	41
15	43
16	47
17	53
18	58
19	59
20	61
21	65
22	67
23	71
24	73
25	74
26	77
27	79
28	82
29	83
30	85
31	86
32	89
33	91
34	97
35	101
36	103
37	106
38	107
39	109
40	113
41	127
42	131
43	133
44	134
45	137
46	139
47	145
48	146
49	149
50	151
51	157
52	163
53	167
54	173
55	178
56	179
57	181
58	185
59	187
60	191
61	193
62	197

n	a(n)
1	1
2	2
3	5
4	7
5	11
6	13
7	17
8	19
9	23
10	29
11	31
12	37
13	38
14	41
15	43
16	47
17	53
18	58
19	59
20	61
21	65
22	67
23	71
24	73
25	74
26	77
27	79
28	82
29	83
30	85
31	86
32	89
33	91
34	97
35	101
36	103
37	106
38	107
39	109
40	113
41	127
42	131
43	133
44	134
45	137
46	139
47	145
48	146
49	149
50	151
51	157
52	163
53	167
54	173
55	178
56	179
57	181
58	185
59	187
60	191
61	193
62	197

n	a(n)
1	1
2	2
3	5
4	7
5	11
6	13
7	17
8	19
9	23
10	29
11	31
12	37
13	38
14	41
15	43
16	47
17	53
18	58
19	59
20	61
21	65
22	67
23	71
24	73
25	74
26	77
27	79
28	82
29	83
30	85
31	86
32	89
33	91
34	97
35	101
36	103
37	106
38	107
39	109
40	113
41	127
42	131
43	133
44	134
45	137
46	139
47	145
48	146
49	149
50	151
51	157
52	163
53	167
54	173
55	178
56	179
57	181
58	185
59	187
60	191
61	193
62	197