A024165 - cp's OEIS frontend

A024165 Number of integer-sided triangles with sides a,b,c, a such that c - b > b - a.

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

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 2, 1, 1, 2, 2, 1, 4, 2, 2, 4, 4, 2, 6, 4, 4, 6, 6, 4, 9, 6, 6, 9, 9, 6, 12, 9, 9, 12, 12, 9, 16, 12, 12, 16, 16, 12, 20, 16, 16, 20, 20, 16, 25, 20, 20, 25, 25, 20, 30, 25, 25, 30, 30, 25, 36, 30, 30, 36, 36, 30, 42, 36, 36, 42, 42, 36, 49, 42, 42, 49, 49]

cp's OEIS Frontend

A024165 Number of integer-sided triangles with sides a,b,c, a such that c - b > b - a.

Table of values

List of values

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

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

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