A133656 - cp's OEIS frontend

A133656 Number of below-diagonal paths from (0,0) to (n,n) using steps (1,0), (0,1) and (2k-1,1), k a positive integer.

n	a(n)
0	1
1	2
2	6
3	23
4	99
5	456
6	2199
7	10962
8	56033
9	292094
10	1546885
11	8299058
12	45010492
13	246377362
14	1359339710
15	7551689783
16	42206697209
17	237156951618
18	1338917298708
19	7591380528489
20	43207023511013
21	246773061257046
22	1413889039642479
23	8124356140582768
24	46807462792903984

[1, 2, 6, 23, 99, 456, 2199, 10962, 56033, 292094, 1546885, 8299058, 45010492, 246377362, 1359339710, 7551689783, 42206697209, 237156951618, 1338917298708, 7591380528489, 43207023511013, 246773061257046, 1413889039642479, 8124356140582768, 46807462792903984]

cp's OEIS Frontend

A133656 Number of below-diagonal paths from (0,0) to (n,n) using steps (1,0), (0,1) and (2k-1,1), k a positive integer.

Table of values

List of values