A144711 - cp's OEIS frontend

A144711 Numbers n such that [sum_i=1..r (p(i)^2)]/r = c^2. p(i) prime divisors of n, c integer.

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	16
11	17
12	19
13	23
14	25
15	27
16	29
17	31
18	32
19	37
20	41
21	43
22	47
23	49
24	53
25	59
26	61
27	64
28	67
29	71
30	73
31	79
32	81
33	83
34	89
35	97
36	101
37	103
38	107
39	109
40	113
41	119
42	121
43	125
44	127
45	128
46	131
47	137
48	139
49	149
50	151
51	157
52	161
53	163
54	167
55	169
56	173
57	179
58	181
59	191
60	193
61	197
62	199
63	211

[2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19, 23, 25, 27, 29, 31, 32, 37, 41, 43, 47, 49, 53, 59, 61, 64, 67, 71, 73, 79, 81, 83, 89, 97, 101, 103, 107, 109, 113, 119, 121, 125, 127, 128, 131, 137, 139, 149, 151, 157, 161, 163, 167, 169, 173, 179, 181, 191, 193, 197, 199, 211]

cp's OEIS Frontend

A144711 Numbers n such that [sum_i=1..r (p(i)^2)]/r = c^2. p(i) prime divisors of n, c integer.

Table of values

List of values

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	16
11	17
12	19
13	23
14	25
15	27
16	29
17	31
18	32
19	37
20	41
21	43
22	47
23	49
24	53
25	59
26	61
27	64
28	67
29	71
30	73
31	79
32	81
33	83
34	89
35	97
36	101
37	103
38	107
39	109
40	113
41	119
42	121
43	125
44	127
45	128
46	131
47	137
48	139
49	149
50	151
51	157
52	161
53	163
54	167
55	169
56	173
57	179
58	181
59	191
60	193
61	197
62	199
63	211

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	16
11	17
12	19
13	23
14	25
15	27
16	29
17	31
18	32
19	37
20	41
21	43
22	47
23	49
24	53
25	59
26	61
27	64
28	67
29	71
30	73
31	79
32	81
33	83
34	89
35	97
36	101
37	103
38	107
39	109
40	113
41	119
42	121
43	125
44	127
45	128
46	131
47	137
48	139
49	149
50	151
51	157
52	161
53	163
54	167
55	169
56	173
57	179
58	181
59	191
60	193
61	197
62	199
63	211

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	16
11	17
12	19
13	23
14	25
15	27
16	29
17	31
18	32
19	37
20	41
21	43
22	47
23	49
24	53
25	59
26	61
27	64
28	67
29	71
30	73
31	79
32	81
33	83
34	89
35	97
36	101
37	103
38	107
39	109
40	113
41	119
42	121
43	125
44	127
45	128
46	131
47	137
48	139
49	149
50	151
51	157
52	161
53	163
54	167
55	169
56	173
57	179
58	181
59	191
60	193
61	197
62	199
63	211