A057963 - cp's OEIS frontend

A057963 Triangle T(n,k) of number of minimal 2-covers of a labeled n-set that cover k points of that set uniquely (k=2,..,n).

n	a(n)
2	1
3	3
4	3
5	6
6	12
7	7
8	10
9	30
10	35
11	15
12	15
13	60
14	105
15	90
16	31
17	21
18	105
19	245
20	315
21	217
22	63
23	28
24	168
25	490
26	840
27	868
28	504
29	127
30	36
31	252
32	882
33	1890
34	2604
35	2268
36	1143
37	255
38	45
39	360
40	1470
41	3780
42	6510
43	7560
44	5715
45	2550
46	511
47	55
48	495
49	2310
50	6930
51	14322
52	20790
53	20955
54	14025

[1, 3, 3, 6, 12, 7, 10, 30, 35, 15, 15, 60, 105, 90, 31, 21, 105, 245, 315, 217, 63, 28, 168, 490, 840, 868, 504, 127, 36, 252, 882, 1890, 2604, 2268, 1143, 255, 45, 360, 1470, 3780, 6510, 7560, 5715, 2550, 511, 55, 495, 2310, 6930, 14322, 20790, 20955, 14025]

cp's OEIS Frontend

A057963 Triangle T(n,k) of number of minimal 2-covers of a labeled n-set that cover k points of that set uniquely (k=2,..,n).

Table of values

List of values