A337905 - cp's OEIS frontend

A337905 The number of walks of n steps on the hexagonal lattice that start at the origin and end at the adjacent vertex (1,0).

n	a(n)
1	1
2	2
3	15
4	60
5	340
6	1680
7	9135
8	48440
9	264726
10	1446060
11	7996296
12	44396352
13	248133600
14	1392623232
15	7850732175
16	44413669872
17	252098234674
18	1435074678180
19	8190821465970
20	46860693370920
21	268676908816680
22	1543504863288960
23	8883248453674920
24	51210412534906560

[1, 2, 15, 60, 340, 1680, 9135, 48440, 264726, 1446060, 7996296, 44396352, 248133600, 1392623232, 7850732175, 44413669872, 252098234674, 1435074678180, 8190821465970, 46860693370920, 268676908816680, 1543504863288960, 8883248453674920, 51210412534906560]

cp's OEIS Frontend

A337905 The number of walks of n steps on the hexagonal lattice that start at the origin and end at the adjacent vertex (1,0).

Table of values

List of values