A225555 - cp's OEIS frontend

A225555 Longest checkmate in king and princess versus king endgame on an n X n chessboard.

n	a(n)
3	3
4	8
5	9
6	11
7	14
8	17
9	21
10	24
11	26
12	30
13	33
14	37
15	41
16	44
17	48
18	51
19	55
20	59
21	63
22	67
23	70
24	75
25	79
26	83
27	87
28	91
29	96
30	101
31	104
32	109
33	114
34	118
35	123
36	127
37	132
38	136
39	141
40	145
41	151
42	154

[3, 8, 9, 11, 14, 17, 21, 24, 26, 30, 33, 37, 41, 44, 48, 51, 55, 59, 63, 67, 70, 75, 79, 83, 87, 91, 96, 101, 104, 109, 114, 118, 123, 127, 132, 136, 141, 145, 151, 154]

cp's OEIS Frontend

A225555 Longest checkmate in king and princess versus king endgame on an n X n chessboard.

Table of values

List of values

n	a(n)
3	3
4	8
5	9
6	11
7	14
8	17
9	21
10	24
11	26
12	30
13	33
14	37
15	41
16	44
17	48
18	51
19	55
20	59
21	63
22	67
23	70
24	75
25	79
26	83
27	87
28	91
29	96
30	101
31	104
32	109
33	114
34	118
35	123
36	127
37	132
38	136
39	141
40	145
41	151
42	154

n	a(n)
3	3
4	8
5	9
6	11
7	14
8	17
9	21
10	24
11	26
12	30
13	33
14	37
15	41
16	44
17	48
18	51
19	55
20	59
21	63
22	67
23	70
24	75
25	79
26	83
27	87
28	91
29	96
30	101
31	104
32	109
33	114
34	118
35	123
36	127
37	132
38	136
39	141
40	145
41	151
42	154

n	a(n)
3	3
4	8
5	9
6	11
7	14
8	17
9	21
10	24
11	26
12	30
13	33
14	37
15	41
16	44
17	48
18	51
19	55
20	59
21	63
22	67
23	70
24	75
25	79
26	83
27	87
28	91
29	96
30	101
31	104
32	109
33	114
34	118
35	123
36	127
37	132
38	136
39	141
40	145
41	151
42	154