A340860 - cp's OEIS frontend

A340860 a(n) is the number of non-isosceles integer trapezoids (up to congruence) with integer side lengths a,b,c,d with n=Max(a,b,c,d) and integer diagonals e,f.

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

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 3, 2, 0, 2, 1, 0, 1, 1, 0, 4, 4, 9, 5, 9, 11, 7, 4, 5, 3, 11, 13, 2, 7, 3, 3, 5, 9, 8, 3, 6, 9, 12, 10, 19, 8, 23, 16, 16, 18, 21, 13, 25, 19, 32, 26, 7, 7, 25, 16, 8, 27, 59, 26]

cp's OEIS Frontend

A340860 a(n) is the number of non-isosceles integer trapezoids (up to congruence) with integer side lengths a,b,c,d with n=Max(a,b,c,d) and integer diagonals e,f.

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

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

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