A247311 - cp's OEIS frontend

A247311 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), (1,0), (1,-1).

n	a(n)
0	1
1	0
2	0
3	1
4	1
5	0
6	2
7	2
8	1
9	4
10	5
11	3
12	9
13	12
14	8
15	21
16	29
17	20
18	50
19	70
20	49
21	120
22	169
23	119
24	289
25	408
26	288
27	697
28	985
29	696
30	1682
31	2378
32	1681
33	4060
34	5741
35	4059
36	9801
37	13860
38	9800
39	23661
40	33461
41	23660
42	57122
43	80782
44	57121
45	137904
46	195025
47	137903
48	332929
49	470832
50	332928

[1, 0, 0, 1, 1, 0, 2, 2, 1, 4, 5, 3, 9, 12, 8, 21, 29, 20, 50, 70, 49, 120, 169, 119, 289, 408, 288, 697, 985, 696, 1682, 2378, 1681, 4060, 5741, 4059, 9801, 13860, 9800, 23661, 33461, 23660, 57122, 80782, 57121, 137904, 195025, 137903, 332929, 470832, 332928]

cp's OEIS Frontend

A247311 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), (1,0), (1,-1).

Table of values

List of values