A247050 - cp's OEIS frontend

A247050 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), (1,2), (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	1
11	2
12	1
13	4
14	3
15	4
16	4
17	5
18	4
19	9
20	8
21	9
22	12
23	13
24	12
25	22
26	21
27	22
28	33
29	34
30	33
31	56
32	55
33	56
34	88
35	89
36	88
37	145
38	144
39	145
40	232
41	233
42	232
43	378
44	377
45	378
46	609
47	610
48	609
49	988
50	987
51	988
52	1596
53	1597
54	1596
55	2585
56	2584
57	2585
58	4180
59	4181
60	4180

[0, 1, 0, 1, 0, 1, 0, 2, 1, 2, 1, 2, 1, 4, 3, 4, 4, 5, 4, 9, 8, 9, 12, 13, 12, 22, 21, 22, 33, 34, 33, 56, 55, 56, 88, 89, 88, 145, 144, 145, 232, 233, 232, 378, 377, 378, 609, 610, 609, 988, 987, 988, 1596, 1597, 1596, 2585, 2584, 2585, 4180, 4181, 4180]

cp's OEIS Frontend

A247050 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), (1,2), (1,-1).

Table of values

List of values