A122899 - cp's OEIS frontend

A122899 Triangle with row sums counting directed animals.

n	a(n)
0	1
1	1
2	1
3	0
4	4
5	1
6	0
7	3
8	9
9	1
10	0
11	0
12	18
13	16
14	1
15	0
16	0
17	10
18	60
19	25
20	1
21	0
22	0
23	0
24	80
25	150
26	36
27	1
28	0
29	0
30	0
31	35
32	350
33	315
34	49
35	1
36	0
37	0
38	0
39	0
40	350
41	1120
42	588
43	64
44	1
45	0
46	0
47	0
48	0
49	126
50	1890
51	2940
52	1008

[1, 1, 1, 0, 4, 1, 0, 3, 9, 1, 0, 0, 18, 16, 1, 0, 0, 10, 60, 25, 1, 0, 0, 0, 80, 150, 36, 1, 0, 0, 0, 35, 350, 315, 49, 1, 0, 0, 0, 0, 350, 1120, 588, 64, 1, 0, 0, 0, 0, 126, 1890, 2940, 1008]

cp's OEIS Frontend

A122899 Triangle with row sums counting directed animals.

Table of values

List of values