A368831 - cp's OEIS frontend

A368831 Irregular triangle read by rows: T(n,k) is the number of dominating subsets with cardinality k of the n X n rook graph (n >= 0, 0 <= k <= n^2).

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	6
6	4
7	1
8	0
9	0
10	0
11	48
12	117
13	126
14	84
15	36
16	9
17	1
18	0
19	0
20	0
21	0
22	488
23	2640
24	6712
25	10864
26	12726
27	11424
28	8008
29	4368
30	1820
31	560
32	120
33	16
34	1
35	0
36	0
37	0
38	0
39	0
40	6130
41	58300
42	269500
43	808325
44	1778875
45	3075160
46	4349400
47	5154900
48	5186300
49	4454400
50	3268360
51	2042950
52	1081575
53	480700
54	177100
55	53130
56	12650
57	2300
58	300
59	25
60	1

[1, 0, 1, 0, 0, 6, 4, 1, 0, 0, 0, 48, 117, 126, 84, 36, 9, 1, 0, 0, 0, 0, 488, 2640, 6712, 10864, 12726, 11424, 8008, 4368, 1820, 560, 120, 16, 1, 0, 0, 0, 0, 0, 6130, 58300, 269500, 808325, 1778875, 3075160, 4349400, 5154900, 5186300, 4454400, 3268360, 2042950, 1081575, 480700, 177100, 53130, 12650, 2300, 300, 25, 1]

cp's OEIS Frontend

A368831 Irregular triangle read by rows: T(n,k) is the number of dominating subsets with cardinality k of the n X n rook graph (n >= 0, 0 <= k <= n^2).

Table of values

List of values