A293946 - cp's OEIS frontend

A293946 a(n) = number of lattice paths from (0,0) to (3n,2n) which lie wholly below the line 3y=2x, only touching at the endpoints.

n	a(n)
0	1
1	2
2	19
3	293
4	5452
5	112227
6	2460954
7	56356938
8	1332055265
9	32251721089
10	795815587214
11	19939653287183
12	505943824579282
13	12974266405435153
14	335717028959470883
15	8754495459668971998
16	229836484204401559180
17	6069875377376291350173
18	161145418968823760038557

[1, 2, 19, 293, 5452, 112227, 2460954, 56356938, 1332055265, 32251721089, 795815587214, 19939653287183, 505943824579282, 12974266405435153, 335717028959470883, 8754495459668971998, 229836484204401559180, 6069875377376291350173, 161145418968823760038557]

cp's OEIS Frontend

A293946 a(n) = number of lattice paths from (0,0) to (3n,2n) which lie wholly below the line 3y=2x, only touching at the endpoints.

Table of values

List of values