A292147 - cp's OEIS frontend

A292147 Number of distinct convex pentagons that can be formed from n congruent isosceles right triangles. Reflections are not counted as distinct.

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

[0, 0, 0, 0, 1, 1, 2, 0, 1, 2, 4, 1, 3, 5, 5, 2, 3, 2, 6, 5, 2, 8, 11, 1, 3, 7, 6, 7, 6, 7, 13, 7, 4, 8, 8, 5, 5, 13, 14, 8, 8, 4, 8, 14, 5, 17, 22, 5, 5, 7, 8, 14, 8, 14, 18, 13, 4, 11, 18, 7, 10, 22, 18, 15, 7, 9, 10, 19, 9, 16, 29, 8, 9, 12, 10, 23, 9, 19]

cp's OEIS Frontend

A292147 Number of distinct convex pentagons that can be formed from n congruent isosceles right triangles. Reflections are not counted as distinct.

Table of values

List of values

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

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

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