A243970 - cp's OEIS frontend

A243970 Smallest positive integer m such that n can be expressed as a partial sum of the divisors of m taken in decreasing order.

n	a(n)
0	1
1	1
2	2
3	2
4	3
5	5
6	4
7	4
8	7
9	6
10	10
11	6
12	6
13	9
14	8
15	8
16	16
17	10
18	10
19	19
20	15
21	14
22	12
23	14
24	14
25	12
26	26
27	12
28	12
29	29
30	16
31	16
32	21
33	18
34	34
35	20
36	18
37	37
38	18
39	18
40	27
41	20
42	20
43	43
44	24
45	30
46	46
47	33
48	32
49	28
50	24
51	34
52	39
53	28
54	24
55	28
56	28
57	24
58	58
59	24
60	24
61	30
62	32
63	32
64	64
65	65
66	30
67	67
68	51

[1, 1, 2, 2, 3, 5, 4, 4, 7, 6, 10, 6, 6, 9, 8, 8, 16, 10, 10, 19, 15, 14, 12, 14, 14, 12, 26, 12, 12, 29, 16, 16, 21, 18, 34, 20, 18, 37, 18, 18, 27, 20, 20, 43, 24, 30, 46, 33, 32, 28, 24, 34, 39, 28, 24, 28, 28, 24, 58, 24, 24, 30, 32, 32, 64, 65, 30, 67, 51]

cp's OEIS Frontend

A243970 Smallest positive integer m such that n can be expressed as a partial sum of the divisors of m taken in decreasing order.

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	2
4	3
5	5
6	4
7	4
8	7
9	6
10	10
11	6
12	6
13	9
14	8
15	8
16	16
17	10
18	10
19	19
20	15
21	14
22	12
23	14
24	14
25	12
26	26
27	12
28	12
29	29
30	16
31	16
32	21
33	18
34	34
35	20
36	18
37	37
38	18
39	18
40	27
41	20
42	20
43	43
44	24
45	30
46	46
47	33
48	32
49	28
50	24
51	34
52	39
53	28
54	24
55	28
56	28
57	24
58	58
59	24
60	24
61	30
62	32
63	32
64	64
65	65
66	30
67	67
68	51

n	a(n)
0	1
1	1
2	2
3	2
4	3
5	5
6	4
7	4
8	7
9	6
10	10
11	6
12	6
13	9
14	8
15	8
16	16
17	10
18	10
19	19
20	15
21	14
22	12
23	14
24	14
25	12
26	26
27	12
28	12
29	29
30	16
31	16
32	21
33	18
34	34
35	20
36	18
37	37
38	18
39	18
40	27
41	20
42	20
43	43
44	24
45	30
46	46
47	33
48	32
49	28
50	24
51	34
52	39
53	28
54	24
55	28
56	28
57	24
58	58
59	24
60	24
61	30
62	32
63	32
64	64
65	65
66	30
67	67
68	51

n	a(n)
0	1
1	1
2	2
3	2
4	3
5	5
6	4
7	4
8	7
9	6
10	10
11	6
12	6
13	9
14	8
15	8
16	16
17	10
18	10
19	19
20	15
21	14
22	12
23	14
24	14
25	12
26	26
27	12
28	12
29	29
30	16
31	16
32	21
33	18
34	34
35	20
36	18
37	37
38	18
39	18
40	27
41	20
42	20
43	43
44	24
45	30
46	46
47	33
48	32
49	28
50	24
51	34
52	39
53	28
54	24
55	28
56	28
57	24
58	58
59	24
60	24
61	30
62	32
63	32
64	64
65	65
66	30
67	67
68	51