A121634 - cp's OEIS frontend

A121634 Triangle read by rows: T(n,k) is the number of deco polyominoes of height n and having k 2-cell columns starting at level 0 (n >= 1; 0 <= k <= n-1).

n	a(n)
1	1
2	1
3	1
4	2
5	3
6	1
7	8
8	10
9	5
10	1
11	42
12	44
13	25
14	8
15	1
16	264
17	242
18	144
19	57
20	12
21	1
22	1920
23	1594
24	962
25	429
26	117
27	17
28	1
29	15840
30	12204
31	7366
32	3536
33	1131
34	219
35	23
36	1
37	146160
38	106308
39	63766
40	32118
41	11453
42	2664
43	380
44	30
45	1
46	1491840
47	1036944
48	616436
49	320710
50	123742
51	32765
52	5704
53	620
54	38
55	1

[1, 1, 1, 2, 3, 1, 8, 10, 5, 1, 42, 44, 25, 8, 1, 264, 242, 144, 57, 12, 1, 1920, 1594, 962, 429, 117, 17, 1, 15840, 12204, 7366, 3536, 1131, 219, 23, 1, 146160, 106308, 63766, 32118, 11453, 2664, 380, 30, 1, 1491840, 1036944, 616436, 320710, 123742, 32765, 5704, 620, 38, 1]

cp's OEIS Frontend

A121634 Triangle read by rows: T(n,k) is the number of deco polyominoes of height n and having k 2-cell columns starting at level 0 (n >= 1; 0 <= k <= n-1).

Table of values

List of values