A175936 - cp's OEIS frontend

A175936 Number of lattice walks from (0,0) to (n,n) using steps S={(k,0),(0,k),(r,r)|0 which never go above the line y=x.

n	a(n)
0	1
1	2
2	10
3	62
4	433
5	3262
6	25784
7	210892
8	1769793
9	15152252
10	131826824
11	1162114368
12	10357863128
13	93183955872
14	845064072102
15	7717150002692
16	70903816529979
17	654967192303546
18	6079243786794502
19	56668633625876866
20	530291242720187193

[1, 2, 10, 62, 433, 3262, 25784, 210892, 1769793, 15152252, 131826824, 1162114368, 10357863128, 93183955872, 845064072102, 7717150002692, 70903816529979, 654967192303546, 6079243786794502, 56668633625876866, 530291242720187193]

cp's OEIS Frontend

A175936 Number of lattice walks from (0,0) to (n,n) using steps S={(k,0),(0,k),(r,r)|0 which never go above the line y=x.

Table of values

List of values