A378150 - cp's OEIS frontend

A378150 a(n) is the number of distinct integer-sided isosceles trapezoids with exactly one pair of parallel sides and area n.

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

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 2, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 2, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 2, 0, 0, 1, 1, 0, 2, 0, 2, 1, 0, 0, 3, 0, 0, 1, 2, 1, 2, 0, 1, 1, 1, 0, 5, 0, 0, 2, 1, 0, 2, 0, 3, 1, 0, 0, 4, 1, 0, 1, 2]

cp's OEIS Frontend

A378150 a(n) is the number of distinct integer-sided isosceles trapezoids with exactly one pair of parallel sides and area n.

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

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

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