A247302 - cp's OEIS frontend

A247302 Rectangular array read upwards by columns: T = T(n,k) = number of paths from (0,1) to (n,k), where 0 >= k <= 2, consisting of segments given by the vectors (1,1), (2,1), (1,-1).

n	a(n)
0	0
1	1
2	0
3	1
4	0
5	1
6	0
7	2
8	1
9	2
10	2
11	2
12	2
13	4
14	4
15	4
16	8
17	6
18	8
19	12
20	12
21	12
22	24
23	20
24	24
25	40
26	36
27	40
28	72
29	64
30	72
31	128
32	112
33	128
34	224
35	200
36	224
37	400
38	352
39	400
40	704
41	624
42	704
43	1248
44	1104
45	1248
46	2208
47	1952
48	2208
49	3904
50	3456
51	3904
52	6912
53	6112
54	6912
55	12224
56	10816
57	12224

[0, 1, 0, 1, 0, 1, 0, 2, 1, 2, 2, 2, 2, 4, 4, 4, 8, 6, 8, 12, 12, 12, 24, 20, 24, 40, 36, 40, 72, 64, 72, 128, 112, 128, 224, 200, 224, 400, 352, 400, 704, 624, 704, 1248, 1104, 1248, 2208, 1952, 2208, 3904, 3456, 3904, 6912, 6112, 6912, 12224, 10816, 12224]

cp's OEIS Frontend

A247302 Rectangular array read upwards by columns: T = T(n,k) = number of paths from (0,1) to (n,k), where 0 >= k <= 2, consisting of segments given by the vectors (1,1), (2,1), (1,-1).

Table of values

List of values