A038622 - cp's OEIS frontend

A038622 Triangular array that counts rooted polyominoes.

n	a(n)
0	1
1	2
2	1
3	5
4	3
5	1
6	13
7	9
8	4
9	1
10	35
11	26
12	14
13	5
14	1
15	96
16	75
17	45
18	20
19	6
20	1
21	267
22	216
23	140
24	71
25	27
26	7
27	1
28	750
29	623
30	427
31	238
32	105
33	35
34	8
35	1
36	2123
37	1800
38	1288
39	770
40	378
41	148
42	44
43	9
44	1
45	6046
46	5211
47	3858
48	2436
49	1296
50	570
51	201
52	54
53	10
54	1
55	17303
56	15115
57	11505
58	7590
59	4302
60	2067
61	825
62	265

[1, 2, 1, 5, 3, 1, 13, 9, 4, 1, 35, 26, 14, 5, 1, 96, 75, 45, 20, 6, 1, 267, 216, 140, 71, 27, 7, 1, 750, 623, 427, 238, 105, 35, 8, 1, 2123, 1800, 1288, 770, 378, 148, 44, 9, 1, 6046, 5211, 3858, 2436, 1296, 570, 201, 54, 10, 1, 17303, 15115, 11505, 7590, 4302, 2067, 825, 265]

cp's OEIS Frontend

A038622 Triangular array that counts rooted polyominoes.

Table of values

List of values