A127938 - cp's OEIS frontend

A127938 Number of arithmetic progressions of 2 or more nonnegative integers, strictly increasing with sum n.

n	a(n)
1	1
2	1
3	3
4	2
5	3
6	6
7	4
8	4
9	8
10	7
11	6
12	11
13	7
14	8
15	15
16	9
17	9
18	17
19	10
20	13
21	20
22	13
23	12
24	22
25	15
26	15
27	24
28	18
29	15
30	32
31	16
32	18
33	29
34	20
35	22
36	36
37	19
38	22
39	34
40	27
41	21
42	42
43	22
44	26
45	46
46	27
47	24
48	45
49	27
50	34
51	45
52	31
53	27
54	52
55	35
56	35
57	50
58	34
59	30
60	64
61	31
62	36
63	59
64	38
65	40
66	65
67	34
68	40
69	60
70	51
71	36
72	71
73	37
74	43

[1, 1, 3, 2, 3, 6, 4, 4, 8, 7, 6, 11, 7, 8, 15, 9, 9, 17, 10, 13, 20, 13, 12, 22, 15, 15, 24, 18, 15, 32, 16, 18, 29, 20, 22, 36, 19, 22, 34, 27, 21, 42, 22, 26, 46, 27, 24, 45, 27, 34, 45, 31, 27, 52, 35, 35, 50, 34, 30, 64, 31, 36, 59, 38, 40, 65, 34, 40, 60, 51, 36, 71, 37, 43]

cp's OEIS Frontend

A127938 Number of arithmetic progressions of 2 or more nonnegative integers, strictly increasing with sum n.

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	2
5	3
6	6
7	4
8	4
9	8
10	7
11	6
12	11
13	7
14	8
15	15
16	9
17	9
18	17
19	10
20	13
21	20
22	13
23	12
24	22
25	15
26	15
27	24
28	18
29	15
30	32
31	16
32	18
33	29
34	20
35	22
36	36
37	19
38	22
39	34
40	27
41	21
42	42
43	22
44	26
45	46
46	27
47	24
48	45
49	27
50	34
51	45
52	31
53	27
54	52
55	35
56	35
57	50
58	34
59	30
60	64
61	31
62	36
63	59
64	38
65	40
66	65
67	34
68	40
69	60
70	51
71	36
72	71
73	37
74	43

n	a(n)
1	1
2	1
3	3
4	2
5	3
6	6
7	4
8	4
9	8
10	7
11	6
12	11
13	7
14	8
15	15
16	9
17	9
18	17
19	10
20	13
21	20
22	13
23	12
24	22
25	15
26	15
27	24
28	18
29	15
30	32
31	16
32	18
33	29
34	20
35	22
36	36
37	19
38	22
39	34
40	27
41	21
42	42
43	22
44	26
45	46
46	27
47	24
48	45
49	27
50	34
51	45
52	31
53	27
54	52
55	35
56	35
57	50
58	34
59	30
60	64
61	31
62	36
63	59
64	38
65	40
66	65
67	34
68	40
69	60
70	51
71	36
72	71
73	37
74	43

n	a(n)
1	1
2	1
3	3
4	2
5	3
6	6
7	4
8	4
9	8
10	7
11	6
12	11
13	7
14	8
15	15
16	9
17	9
18	17
19	10
20	13
21	20
22	13
23	12
24	22
25	15
26	15
27	24
28	18
29	15
30	32
31	16
32	18
33	29
34	20
35	22
36	36
37	19
38	22
39	34
40	27
41	21
42	42
43	22
44	26
45	46
46	27
47	24
48	45
49	27
50	34
51	45
52	31
53	27
54	52
55	35
56	35
57	50
58	34
59	30
60	64
61	31
62	36
63	59
64	38
65	40
66	65
67	34
68	40
69	60
70	51
71	36
72	71
73	37
74	43