A318243 - cp's OEIS frontend

A318243 Triangle read by rows giving the sum of the number of k-matchings of the graphs obtained by deleting one edge and its two vertices from the ladder graph L_n = P_2 X P_n in all possible ways.

n	a(n)
1	1
2	4
3	4
4	7
5	22
6	9
7	10
8	58
9	78
10	20
11	13
12	112
13	282
14	224
15	40
16	16
17	184
18	702
19	1052
20	570
21	78
22	19
23	274
24	1419
25	3260
26	3335
27	1338
28	147
29	22
30	382
31	2514
32	7928
33	12520
34	9462
35	2968
36	272
37	25
38	508
39	4068
40	16460
41	35955
42	42108
43	24766
44	6312
45	495
46	28
47	652
48	6162
49	30584
50	86330
51	140586
52	128352
53	60976
54	12996
55	890
56	31
57	814
58	8877
59	52352

[1, 4, 4, 7, 22, 9, 10, 58, 78, 20, 13, 112, 282, 224, 40, 16, 184, 702, 1052, 570, 78, 19, 274, 1419, 3260, 3335, 1338, 147, 22, 382, 2514, 7928, 12520, 9462, 2968, 272, 25, 508, 4068, 16460, 35955, 42108, 24766, 6312, 495, 28, 652, 6162, 30584, 86330, 140586, 128352, 60976, 12996, 890, 31, 814, 8877, 52352]

cp's OEIS Frontend

A318243 Triangle read by rows giving the sum of the number of k-matchings of the graphs obtained by deleting one edge and its two vertices from the ladder graph L_n = P_2 X P_n in all possible ways.

Table of values

List of values