A347147 - cp's OEIS frontend

A347147 Square array read by antidiagonals: T(n,k) is the number of rook paths from (1,1) to (n,k) if the rook may travel 1 to i squares along rank or file i, n >= 1, k >= 1.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	4
9	4
10	1
11	1
12	7
13	10
14	7
15	1
16	1
17	12
18	23
19	23
20	12
21	1
22	1
23	20
24	50
25	62
26	50
27	20
28	1
29	1
30	33
31	104
32	156
33	156
34	104
35	33
36	1
37	1
38	54
39	211
40	373
41	438
42	373
43	211
44	54
45	1
46	1
47	88
48	420
49	859
50	1155
51	1155
52	859
53	420
54	88
55	1
56	1
57	143
58	824
59	1925
60	2915
61	3306
62	2915
63	1925
64	824
65	143
66	1

[1, 1, 1, 1, 2, 1, 1, 4, 4, 1, 1, 7, 10, 7, 1, 1, 12, 23, 23, 12, 1, 1, 20, 50, 62, 50, 20, 1, 1, 33, 104, 156, 156, 104, 33, 1, 1, 54, 211, 373, 438, 373, 211, 54, 1, 1, 88, 420, 859, 1155, 1155, 859, 420, 88, 1, 1, 143, 824, 1925, 2915, 3306, 2915, 1925, 824, 143, 1]

cp's OEIS Frontend

A347147 Square array read by antidiagonals: T(n,k) is the number of rook paths from (1,1) to (n,k) if the rook may travel 1 to i squares along rank or file i, n >= 1, k >= 1.

Table of values

List of values