A014406 - cp's OEIS frontend

A014406 Number of strictly increasing arithmetic progressions of positive integers with at least 3 terms and sum <= n.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	1
8	1
9	3
10	4
11	4
12	7
13	7
14	8
15	13
16	14
17	14
18	20
19	20
20	22
21	29
22	31
23	31
24	39
25	41
26	43
27	52
28	55
29	55
30	68
31	68
32	70
33	81
34	84
35	88
36	103
37	103
38	106
39	119
40	125
41	125
42	143
43	143
44	147
45	167
46	171
47	171
48	190
49	192
50	200
51	218
52	223
53	223
54	246
55	252
56	258
57	278
58	283
59	283
60	313
61	313
62	318
63	343
64	349
65	356
66	385
67	385

[0, 0, 0, 0, 0, 1, 1, 1, 3, 4, 4, 7, 7, 8, 13, 14, 14, 20, 20, 22, 29, 31, 31, 39, 41, 43, 52, 55, 55, 68, 68, 70, 81, 84, 88, 103, 103, 106, 119, 125, 125, 143, 143, 147, 167, 171, 171, 190, 192, 200, 218, 223, 223, 246, 252, 258, 278, 283, 283, 313, 313, 318, 343, 349, 356, 385, 385]

cp's OEIS Frontend

A014406 Number of strictly increasing arithmetic progressions of positive integers with at least 3 terms and sum <= n.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	1
8	1
9	3
10	4
11	4
12	7
13	7
14	8
15	13
16	14
17	14
18	20
19	20
20	22
21	29
22	31
23	31
24	39
25	41
26	43
27	52
28	55
29	55
30	68
31	68
32	70
33	81
34	84
35	88
36	103
37	103
38	106
39	119
40	125
41	125
42	143
43	143
44	147
45	167
46	171
47	171
48	190
49	192
50	200
51	218
52	223
53	223
54	246
55	252
56	258
57	278
58	283
59	283
60	313
61	313
62	318
63	343
64	349
65	356
66	385
67	385

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	1
8	1
9	3
10	4
11	4
12	7
13	7
14	8
15	13
16	14
17	14
18	20
19	20
20	22
21	29
22	31
23	31
24	39
25	41
26	43
27	52
28	55
29	55
30	68
31	68
32	70
33	81
34	84
35	88
36	103
37	103
38	106
39	119
40	125
41	125
42	143
43	143
44	147
45	167
46	171
47	171
48	190
49	192
50	200
51	218
52	223
53	223
54	246
55	252
56	258
57	278
58	283
59	283
60	313
61	313
62	318
63	343
64	349
65	356
66	385
67	385

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	1
8	1
9	3
10	4
11	4
12	7
13	7
14	8
15	13
16	14
17	14
18	20
19	20
20	22
21	29
22	31
23	31
24	39
25	41
26	43
27	52
28	55
29	55
30	68
31	68
32	70
33	81
34	84
35	88
36	103
37	103
38	106
39	119
40	125
41	125
42	143
43	143
44	147
45	167
46	171
47	171
48	190
49	192
50	200
51	218
52	223
53	223
54	246
55	252
56	258
57	278
58	283
59	283
60	313
61	313
62	318
63	343
64	349
65	356
66	385
67	385