A353533 - cp's OEIS frontend

A353533 T(n,m) with 4 <= m < n is the number of quadrilaterals in A353532 with perpendicular diagonals, where T(n,m) is a triangle read by rows.

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

[1, 2, 1, 2, 2, 3, 3, 3, 4, 6, 3, 5, 5, 8, 9, 4, 4, 6, 12, 12, 12, 4, 4, 12, 8, 11, 15, 14, 5, 5, 8, 10, 15, 15, 20, 18, 5, 5, 8, 27, 15, 33, 32, 26, 25, 6, 6, 10, 11, 17, 17, 23, 22, 29, 29, 6, 6, 10, 12, 48, 18, 24, 29, 30, 42, 34, 7, 7, 16, 14, 21, 21, 41, 69, 34]

cp's OEIS Frontend

A353533 T(n,m) with 4 <= m < n is the number of quadrilaterals in A353532 with perpendicular diagonals, where T(n,m) is a triangle read by rows.

Table of values

List of values

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

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

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