A334017 - cp's OEIS frontend

A334017 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 up, right, and diagonal up-left moves.

n	a(n)
1	1
2	1
3	2
4	2
5	5
6	10
7	4
8	13
9	33
10	63
11	8
12	32
13	98
14	240
15	454
16	16
17	76
18	269
19	777
20	1871
21	3539
22	32
23	176
24	702
25	2295
26	6420
27	15314
28	29008
29	64
30	400
31	1768
32	6393
33	19970
34	54758
35	129825
36	246255
37	128
38	896
39	4336
40	17088
41	58342
42	176971
43	478662
44	1129967
45	2145722
46	256
47	1984
48	10416

[1, 1, 2, 2, 5, 10, 4, 13, 33, 63, 8, 32, 98, 240, 454, 16, 76, 269, 777, 1871, 3539, 32, 176, 702, 2295, 6420, 15314, 29008, 64, 400, 1768, 6393, 19970, 54758, 129825, 246255, 128, 896, 4336, 17088, 58342, 176971, 478662, 1129967, 2145722, 256, 1984, 10416]

cp's OEIS Frontend

A334017 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 up, right, and diagonal up-left moves.

Table of values

List of values