A277919 - cp's OEIS frontend

A277919 Triangle read by rows: CL(n,k) is the number of labeled subgraphs with k edges of the n-cycle C_n.

n	a(n)
0	1
1	1
2	1
3	3
4	2
5	1
6	7
7	6
8	3
9	1
10	15
11	16
12	10
13	4
14	1
15	31
16	40
17	30
18	15
19	5
20	1
21	63
22	96
23	84
24	50
25	21
26	6
27	1
28	127
29	224
30	224
31	154
32	77
33	28
34	7
35	1
36	255
37	512
38	576
39	448
40	258
41	112
42	36
43	8
44	1
45	511
46	1152
47	1440
48	1248
49	810
50	405
51	156
52	45
53	9
54	1
55	1023
56	2560
57	3520
58	3360
59	2420
60	1362
61	605
62	210
63	55
64	10
65	1

[1, 1, 1, 3, 2, 1, 7, 6, 3, 1, 15, 16, 10, 4, 1, 31, 40, 30, 15, 5, 1, 63, 96, 84, 50, 21, 6, 1, 127, 224, 224, 154, 77, 28, 7, 1, 255, 512, 576, 448, 258, 112, 36, 8, 1, 511, 1152, 1440, 1248, 810, 405, 156, 45, 9, 1, 1023, 2560, 3520, 3360, 2420, 1362, 605, 210, 55, 10, 1]

cp's OEIS Frontend

A277919 Triangle read by rows: CL(n,k) is the number of labeled subgraphs with k edges of the n-cycle C_n.

Table of values

List of values