A260690 - cp's OEIS frontend

A260690 Array read by antidiagonals: D(w,h) is the maximum number of diagonals that can be placed in a w X h grid made up of unit squares when diagonals are placed in the unit squares in such a way that no two diagonals may cross or intersect at an endpoint.

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

[1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 6, 5, 5, 6, 6, 8, 8, 6, 6, 7, 7, 10, 10, 10, 7, 7, 8, 8, 12, 12, 12, 12, 8, 8, 9, 9, 14, 14, 16, 14, 14, 9, 9, 10, 10, 16, 16, 18, 18, 16, 16, 10, 10, 11, 11, 18, 18, 21, 21, 21, 18, 18, 11, 11, 12, 12, 20, 20, 24, 24, 24, 24, 20, 20, 12, 12]

cp's OEIS Frontend

A260690 Array read by antidiagonals: D(w,h) is the maximum number of diagonals that can be placed in a w X h grid made up of unit squares when diagonals are placed in the unit squares in such a way that no two diagonals may cross or intersect at an endpoint.

Table of values

List of values

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

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

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