A322791 - cp's OEIS frontend

A322791 Irregular triangle read by rows in which the n-th row lists the exponential divisors (or e-divisors) of n.

n	a(n)
1	1
2	2
3	3
4	2
5	4
6	5
7	6
8	7
9	2
10	8
11	3
12	9
13	10
14	11
15	6
16	12
17	13
18	14
19	15
20	2
21	4
22	16
23	17
24	6
25	18
26	19
27	10
28	20
29	21
30	22
31	23
32	6
33	24
34	5
35	25
36	26
37	3
38	27
39	14
40	28
41	29
42	30
43	31
44	2
45	32
46	33
47	34
48	35
49	6
50	12
51	18
52	36
53	37
54	38
55	39
56	10
57	40
58	41
59	42
60	43
61	22
62	44
63	15
64	45
65	46
66	47
67	6
68	12
69	48
70	7
71	49

[1, 2, 3, 2, 4, 5, 6, 7, 2, 8, 3, 9, 10, 11, 6, 12, 13, 14, 15, 2, 4, 16, 17, 6, 18, 19, 10, 20, 21, 22, 23, 6, 24, 5, 25, 26, 3, 27, 14, 28, 29, 30, 31, 2, 32, 33, 34, 35, 6, 12, 18, 36, 37, 38, 39, 10, 40, 41, 42, 43, 22, 44, 15, 45, 46, 47, 6, 12, 48, 7, 49]

cp's OEIS Frontend

A322791 Irregular triangle read by rows in which the n-th row lists the exponential divisors (or e-divisors) of n.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	2
5	4
6	5
7	6
8	7
9	2
10	8
11	3
12	9
13	10
14	11
15	6
16	12
17	13
18	14
19	15
20	2
21	4
22	16
23	17
24	6
25	18
26	19
27	10
28	20
29	21
30	22
31	23
32	6
33	24
34	5
35	25
36	26
37	3
38	27
39	14
40	28
41	29
42	30
43	31
44	2
45	32
46	33
47	34
48	35
49	6
50	12
51	18
52	36
53	37
54	38
55	39
56	10
57	40
58	41
59	42
60	43
61	22
62	44
63	15
64	45
65	46
66	47
67	6
68	12
69	48
70	7
71	49

n	a(n)
1	1
2	2
3	3
4	2
5	4
6	5
7	6
8	7
9	2
10	8
11	3
12	9
13	10
14	11
15	6
16	12
17	13
18	14
19	15
20	2
21	4
22	16
23	17
24	6
25	18
26	19
27	10
28	20
29	21
30	22
31	23
32	6
33	24
34	5
35	25
36	26
37	3
38	27
39	14
40	28
41	29
42	30
43	31
44	2
45	32
46	33
47	34
48	35
49	6
50	12
51	18
52	36
53	37
54	38
55	39
56	10
57	40
58	41
59	42
60	43
61	22
62	44
63	15
64	45
65	46
66	47
67	6
68	12
69	48
70	7
71	49

n	a(n)
1	1
2	2
3	3
4	2
5	4
6	5
7	6
8	7
9	2
10	8
11	3
12	9
13	10
14	11
15	6
16	12
17	13
18	14
19	15
20	2
21	4
22	16
23	17
24	6
25	18
26	19
27	10
28	20
29	21
30	22
31	23
32	6
33	24
34	5
35	25
36	26
37	3
38	27
39	14
40	28
41	29
42	30
43	31
44	2
45	32
46	33
47	34
48	35
49	6
50	12
51	18
52	36
53	37
54	38
55	39
56	10
57	40
58	41
59	42
60	43
61	22
62	44
63	15
64	45
65	46
66	47
67	6
68	12
69	48
70	7
71	49