A277360 - cp's OEIS frontend

A277360 Number of self-avoiding planar walks starting at (0,0), ending at (n,n), remaining in the first quadrant and using steps (0,1), (1,0), (1,1), (-1,1), and (1,-1).

n	a(n)
0	1
1	9
2	491
3	64159
4	15314361
5	5799651689
6	3193954129651
7	2410542221526399
8	2388182999073694001
9	3006071549433968619529
10	4685653563347872021885371
11	8859314350383162594502273439
12	19975392290718104323103596377961
13	52949467092712165429316121638458089

[1, 9, 491, 64159, 15314361, 5799651689, 3193954129651, 2410542221526399, 2388182999073694001, 3006071549433968619529, 4685653563347872021885371, 8859314350383162594502273439, 19975392290718104323103596377961, 52949467092712165429316121638458089]

cp's OEIS Frontend

A277360 Number of self-avoiding planar walks starting at (0,0), ending at (n,n), remaining in the first quadrant and using steps (0,1), (1,0), (1,1), (-1,1), and (1,-1).

Table of values

List of values