A333651 - cp's OEIS frontend

A333651 Triangle T(n,k), n >= 2, 0 <= k <= floor(n^2/2)-2, read by rows, where T(n,k) is the number of 2*(k+2)-cycles in the n X n grid graph which pass through NW corner (0,0).

n	a(n)
2	1
3	1
4	2
5	4
6	1
7	2
8	6
9	18
10	40
11	24
12	6
13	1
14	2
15	6
16	20
17	72
18	248
19	698
20	1100
21	1096
22	662
23	206
24	1
25	2
26	6
27	20
28	74
29	298
30	1228
31	4762
32	15984
33	40026
34	75524
35	109150
36	121130
37	99032
38	51964
39	11996
40	1072
41	1
42	2
43	6
44	20
45	74
46	300
47	1300
48	5844
49	26148
50	110942
51	427388
52	1393796
53	3790524
54	8648638
55	16727776
56	27529284
57	38120312
58	43012614
59	37385280
60	23166526
61	9496426
62	2286972
63	242764

[1, 1, 2, 4, 1, 2, 6, 18, 40, 24, 6, 1, 2, 6, 20, 72, 248, 698, 1100, 1096, 662, 206, 1, 2, 6, 20, 74, 298, 1228, 4762, 15984, 40026, 75524, 109150, 121130, 99032, 51964, 11996, 1072, 1, 2, 6, 20, 74, 300, 1300, 5844, 26148, 110942, 427388, 1393796, 3790524, 8648638, 16727776, 27529284, 38120312, 43012614, 37385280, 23166526, 9496426, 2286972, 242764]

cp's OEIS Frontend

A333651 Triangle T(n,k), n >= 2, 0 <= k <= floor(n^2/2)-2, read by rows, where T(n,k) is the number of 2*(k+2)-cycles in the n X n grid graph which pass through NW corner (0,0).

Table of values

List of values