A340005 - cp's OEIS frontend

A340005 Number of self-avoiding paths along the edges of a grid with n X n square cells, which do not pass above the diagonal. The paths start at the lower left corner and finish at the upper right corner.

n	a(n)
0	1
1	1
2	2
3	7
4	40
5	369
6	5680
7	150707
8	6993712
9	567670347
10	80294818098
11	19750798800833
12	8447500756620198
13	6286515496550185699
14	8145835634791919637646
15	18387066260739625200447575
16	72319765957232441125506763756
17	495718308213370458738098777141317

[1, 1, 2, 7, 40, 369, 5680, 150707, 6993712, 567670347, 80294818098, 19750798800833, 8447500756620198, 6286515496550185699, 8145835634791919637646, 18387066260739625200447575, 72319765957232441125506763756, 495718308213370458738098777141317]

cp's OEIS Frontend

A340005 Number of self-avoiding paths along the edges of a grid with n X n square cells, which do not pass above the diagonal. The paths start at the lower left corner and finish at the upper right corner.

Table of values

List of values