A355848 - cp's OEIS frontend

A355848 Irregular triangle read by rows in which row n lists the numbers whose divisors have arithmetic mean n, or 0 if no such number exists.

n	a(n)
1	1
2	3
3	5
4	6
5	7
6	0
7	11
8	14
9	15
10	13
11	20
12	21
13	17
14	22
15	30
16	19
17	27
18	0
19	23
20	33
21	35
22	42
23	45
24	39
25	44
26	60
27	29
28	38
29	54
30	56
31	31
32	0
33	46
34	51
35	55
36	66
37	70
38	37
39	49
40	57
41	41
42	65
43	68
44	78
45	96
46	43
47	0
48	47
49	62
50	69
51	77
52	105
53	0
54	99
55	126
56	53
57	85
58	102
59	110
60	91
61	92
62	132
63	140
64	0
65	59
66	87
67	95
68	114
69	135
70	168

[1, 3, 5, 6, 7, 0, 11, 14, 15, 13, 20, 21, 17, 22, 30, 19, 27, 0, 23, 33, 35, 42, 45, 39, 44, 60, 29, 38, 54, 56, 31, 0, 46, 51, 55, 66, 70, 37, 49, 57, 41, 65, 68, 78, 96, 43, 0, 47, 62, 69, 77, 105, 0, 99, 126, 53, 85, 102, 110, 91, 92, 132, 140, 0, 59, 87, 95, 114, 135, 168]

cp's OEIS Frontend

A355848 Irregular triangle read by rows in which row n lists the numbers whose divisors have arithmetic mean n, or 0 if no such number exists.

Table of values

List of values

n	a(n)
1	1
2	3
3	5
4	6
5	7
6	0
7	11
8	14
9	15
10	13
11	20
12	21
13	17
14	22
15	30
16	19
17	27
18	0
19	23
20	33
21	35
22	42
23	45
24	39
25	44
26	60
27	29
28	38
29	54
30	56
31	31
32	0
33	46
34	51
35	55
36	66
37	70
38	37
39	49
40	57
41	41
42	65
43	68
44	78
45	96
46	43
47	0
48	47
49	62
50	69
51	77
52	105
53	0
54	99
55	126
56	53
57	85
58	102
59	110
60	91
61	92
62	132
63	140
64	0
65	59
66	87
67	95
68	114
69	135
70	168

n	a(n)
1	1
2	3
3	5
4	6
5	7
6	0
7	11
8	14
9	15
10	13
11	20
12	21
13	17
14	22
15	30
16	19
17	27
18	0
19	23
20	33
21	35
22	42
23	45
24	39
25	44
26	60
27	29
28	38
29	54
30	56
31	31
32	0
33	46
34	51
35	55
36	66
37	70
38	37
39	49
40	57
41	41
42	65
43	68
44	78
45	96
46	43
47	0
48	47
49	62
50	69
51	77
52	105
53	0
54	99
55	126
56	53
57	85
58	102
59	110
60	91
61	92
62	132
63	140
64	0
65	59
66	87
67	95
68	114
69	135
70	168

n	a(n)
1	1
2	3
3	5
4	6
5	7
6	0
7	11
8	14
9	15
10	13
11	20
12	21
13	17
14	22
15	30
16	19
17	27
18	0
19	23
20	33
21	35
22	42
23	45
24	39
25	44
26	60
27	29
28	38
29	54
30	56
31	31
32	0
33	46
34	51
35	55
36	66
37	70
38	37
39	49
40	57
41	41
42	65
43	68
44	78
45	96
46	43
47	0
48	47
49	62
50	69
51	77
52	105
53	0
54	99
55	126
56	53
57	85
58	102
59	110
60	91
61	92
62	132
63	140
64	0
65	59
66	87
67	95
68	114
69	135
70	168