A121697 - cp's OEIS frontend

A121697 Triangle read by rows: T(n,k) is the number of deco polyominoes of height n and having k columns ending at an odd level (0<=k<=n). A deco polyomino is a directed column-convex polyomino in which the height, measured along the diagonal, is attained only in the last column.

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	2
7	2
8	1
9	1
10	4
11	8
12	7
13	3
14	2
15	14
16	32
17	37
18	23
19	10
20	4
21	44
22	142
23	207
24	180
25	97
26	38
27	12
28	194
29	730
30	1267
31	1327
32	911
33	425
34	150
35	36
36	812
37	3810
38	8104
39	10387
40	8876
41	5257
42	2222
43	708
44	144
45	4362
46	23284
47	56987
48	84792
49	85317
50	60814
51	31368
52	11972
53	3408
54	576
55	22716

[1, 0, 1, 1, 0, 1, 2, 2, 1, 1, 4, 8, 7, 3, 2, 14, 32, 37, 23, 10, 4, 44, 142, 207, 180, 97, 38, 12, 194, 730, 1267, 1327, 911, 425, 150, 36, 812, 3810, 8104, 10387, 8876, 5257, 2222, 708, 144, 4362, 23284, 56987, 84792, 85317, 60814, 31368, 11972, 3408, 576, 22716]

cp's OEIS Frontend

A121697 Triangle read by rows: T(n,k) is the number of deco polyominoes of height n and having k columns ending at an odd level (0<=k<=n). A deco polyomino is a directed column-convex polyomino in which the height, measured along the diagonal, is attained only in the last column.

Table of values

List of values