A094166 - cp's OEIS frontend

A094166 Array read by antidiagonals: T(n,k) = number of rooted 2-dimensional polyominoes with k cells, the cells being regular n-gons, with no symmetries removed.

n	a(n)
1	1
2	1
3	3
4	1
5	4
6	9
7	1
8	5
9	18
10	28
11	1
12	6
13	30
14	76
15	90
16	1
17	7
18	33
19	180
20	315
21	282
22	1
23	8
24	42
25	176
26	1075
27	1296
28	875
29	1
30	9
31	60
32	252
33	930
34	6366
35	5320
36	2700
37	1
38	10
39	81
40	440
41	1505
42	4884
43	37520
44	21800
45	8271
46	1
47	11
48	105
49	732
50	3230
51	8946
52	25564
53	220500
54	89190
55	25265

[1, 1, 3, 1, 4, 9, 1, 5, 18, 28, 1, 6, 30, 76, 90, 1, 7, 33, 180, 315, 282, 1, 8, 42, 176, 1075, 1296, 875, 1, 9, 60, 252, 930, 6366, 5320, 2700, 1, 10, 81, 440, 1505, 4884, 37520, 21800, 8271, 1, 11, 105, 732, 3230, 8946, 25564, 220500, 89190, 25265]

cp's OEIS Frontend

A094166 Array read by antidiagonals: T(n,k) = number of rooted 2-dimensional polyominoes with k cells, the cells being regular n-gons, with no symmetries removed.

Table of values

List of values