A381030 - cp's OEIS frontend

A381030 Array read by diagonals downwards: A(n,k) for n>=2 and k>=0 is the number of (n,k)-polyominoes.

n	a(n)
2	1
3	2
4	2
5	2
6	4
7	5
8	3
9	11
10	20
11	12
12	3
13	17
14	60
15	68
16	35
17	4
18	32
19	151
20	302
21	289
22	108
23	4
24	45
25	322
26	955
27	1523
28	1151
29	369
30	5
31	71
32	633
33	2617
34	5942
35	7384
36	4792
37	1285
38	5
39	94
40	1132
41	6179
42	19061
43	33819
44	35188
45	19603
46	4655
47	6
48	134
49	1930
50	13374
51	52966
52	125940
53	184938
54	164036
55	80820
56	17073
57	6
58	170
59	3095
60	26567
61	131717
62	400119
63	778318
64	969972

[1, 2, 2, 2, 4, 5, 3, 11, 20, 12, 3, 17, 60, 68, 35, 4, 32, 151, 302, 289, 108, 4, 45, 322, 955, 1523, 1151, 369, 5, 71, 633, 2617, 5942, 7384, 4792, 1285, 5, 94, 1132, 6179, 19061, 33819, 35188, 19603, 4655, 6, 134, 1930, 13374, 52966, 125940, 184938, 164036, 80820, 17073, 6, 170, 3095, 26567, 131717, 400119, 778318, 969972]

cp's OEIS Frontend

A381030 Array read by diagonals downwards: A(n,k) for n>=2 and k>=0 is the number of (n,k)-polyominoes.

Table of values

List of values