A381749 - cp's OEIS frontend

A381749 Triangle read by rows: T(n,k), n >= k, is the maximum number of kings on a n X k chessboard so that no king attacks more than one other king.

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

[1, 2, 2, 2, 4, 4, 3, 4, 6, 8, 4, 6, 8, 10, 12, 4, 6, 8, 11, 14, 16, 5, 8, 10, 13, 16, 18, 21, 6, 8, 12, 14, 18, 20, 24, 26, 6, 10, 12, 16, 20, 22, 26, 30, 33, 7, 10, 14, 18, 22, 25, 29, 32, 36, 40, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 8, 12, 16, 21, 26]

cp's OEIS Frontend

A381749 Triangle read by rows: T(n,k), n >= k, is the maximum number of kings on a n X k chessboard so that no king attacks more than one other king.

Table of values

List of values

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

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

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