A334016 - cp's OEIS frontend

A334016 Table read by antidiagonals upward: T(n,k) is the number of ways to move a chess queen from (1,1) to (n,k) in the first quadrant using only right, diagonal up-right, and diagonal up-left moves.

n	a(n)
1	1
2	1
3	1
4	2
5	4
6	6
7	4
8	10
9	21
10	35
11	8
12	25
13	65
14	139
15	237
16	16
17	60
18	179
19	451
20	978
21	1684
22	32
23	140
24	470
25	1337
26	3339
27	7239
28	12557
29	64
30	320
31	1189
32	3725
33	10325
34	25559
35	55423
36	96605
37	128
38	720
39	2926
40	9958
41	30018
42	81716
43	200922
44	435550
45	761938
46	256
47	1600
48	7048
49	25802
50	83518

[1, 1, 1, 2, 4, 6, 4, 10, 21, 35, 8, 25, 65, 139, 237, 16, 60, 179, 451, 978, 1684, 32, 140, 470, 1337, 3339, 7239, 12557, 64, 320, 1189, 3725, 10325, 25559, 55423, 96605, 128, 720, 2926, 9958, 30018, 81716, 200922, 435550, 761938, 256, 1600, 7048, 25802, 83518]

cp's OEIS Frontend

A334016 Table read by antidiagonals upward: T(n,k) is the number of ways to move a chess queen from (1,1) to (n,k) in the first quadrant using only right, diagonal up-right, and diagonal up-left moves.

Table of values

List of values