A014405 - cp's OEIS frontend

A014405 Number of arithmetic progressions of 3 or more positive integers, strictly increasing with sum n.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	2
10	1
11	0
12	3
13	0
14	1
15	5
16	1
17	0
18	6
19	0
20	2
21	7
22	2
23	0
24	8
25	2
26	2
27	9
28	3
29	0
30	13
31	0
32	2
33	11
34	3
35	4
36	15
37	0
38	3
39	13
40	6
41	0
42	18
43	0
44	4
45	20
46	4
47	0
48	19
49	2
50	8
51	18
52	5
53	0
54	23
55	6
56	6
57	20
58	5
59	0
60	30
61	0
62	5
63	25
64	6
65	7
66	29
67	0
68	6
69	24
70	15
71	0
72	32
73	0
74	6
75	34
76	7
77	4
78	34
79	0
80	14
81	31
82	7
83	0
84	39
85	9
86	7
87	31
88	9
89	0
90	49
91	5
92	9
93	33
94	8
95	10
96	42
97	0
98	12

[0, 0, 0, 0, 0, 1, 0, 0, 2, 1, 0, 3, 0, 1, 5, 1, 0, 6, 0, 2, 7, 2, 0, 8, 2, 2, 9, 3, 0, 13, 0, 2, 11, 3, 4, 15, 0, 3, 13, 6, 0, 18, 0, 4, 20, 4, 0, 19, 2, 8, 18, 5, 0, 23, 6, 6, 20, 5, 0, 30, 0, 5, 25, 6, 7, 29, 0, 6, 24, 15, 0, 32, 0, 6, 34, 7, 4, 34, 0, 14, 31, 7, 0, 39, 9, 7, 31, 9, 0, 49, 5, 9, 33, 8, 10, 42, 0, 12]

cp's OEIS Frontend

A014405 Number of arithmetic progressions of 3 or more positive integers, strictly increasing with sum n.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	2
10	1
11	0
12	3
13	0
14	1
15	5
16	1
17	0
18	6
19	0
20	2
21	7
22	2
23	0
24	8
25	2
26	2
27	9
28	3
29	0
30	13
31	0
32	2
33	11
34	3
35	4
36	15
37	0
38	3
39	13
40	6
41	0
42	18
43	0
44	4
45	20
46	4
47	0
48	19
49	2
50	8
51	18
52	5
53	0
54	23
55	6
56	6
57	20
58	5
59	0
60	30
61	0
62	5
63	25
64	6
65	7
66	29
67	0
68	6
69	24
70	15
71	0
72	32
73	0
74	6
75	34
76	7
77	4
78	34
79	0
80	14
81	31
82	7
83	0
84	39
85	9
86	7
87	31
88	9
89	0
90	49
91	5
92	9
93	33
94	8
95	10
96	42
97	0
98	12

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	2
10	1
11	0
12	3
13	0
14	1
15	5
16	1
17	0
18	6
19	0
20	2
21	7
22	2
23	0
24	8
25	2
26	2
27	9
28	3
29	0
30	13
31	0
32	2
33	11
34	3
35	4
36	15
37	0
38	3
39	13
40	6
41	0
42	18
43	0
44	4
45	20
46	4
47	0
48	19
49	2
50	8
51	18
52	5
53	0
54	23
55	6
56	6
57	20
58	5
59	0
60	30
61	0
62	5
63	25
64	6
65	7
66	29
67	0
68	6
69	24
70	15
71	0
72	32
73	0
74	6
75	34
76	7
77	4
78	34
79	0
80	14
81	31
82	7
83	0
84	39
85	9
86	7
87	31
88	9
89	0
90	49
91	5
92	9
93	33
94	8
95	10
96	42
97	0
98	12

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	2
10	1
11	0
12	3
13	0
14	1
15	5
16	1
17	0
18	6
19	0
20	2
21	7
22	2
23	0
24	8
25	2
26	2
27	9
28	3
29	0
30	13
31	0
32	2
33	11
34	3
35	4
36	15
37	0
38	3
39	13
40	6
41	0
42	18
43	0
44	4
45	20
46	4
47	0
48	19
49	2
50	8
51	18
52	5
53	0
54	23
55	6
56	6
57	20
58	5
59	0
60	30
61	0
62	5
63	25
64	6
65	7
66	29
67	0
68	6
69	24
70	15
71	0
72	32
73	0
74	6
75	34
76	7
77	4
78	34
79	0
80	14
81	31
82	7
83	0
84	39
85	9
86	7
87	31
88	9
89	0
90	49
91	5
92	9
93	33
94	8
95	10
96	42
97	0
98	12