A358713 - cp's OEIS frontend

A358713 Number of self-avoiding closed paths on an n X 7 grid which pass through four corners ((0,0), (0,6), (n-1,6), (n-1,0)).

n	a(n)
2	1
3	41
4	1081
5	26515
6	674292
7	17720400
8	471468756
9	12570253556
10	335101401877
11	8932110760401
12	238088717357193
13	6346541968642151
14	169176879483125528
15	4509681115981777876
16	120212775466066851264
17	3204464007623702644476
18	85420126381414152110475
19	2277010595175522782497635

[1, 41, 1081, 26515, 674292, 17720400, 471468756, 12570253556, 335101401877, 8932110760401, 238088717357193, 6346541968642151, 169176879483125528, 4509681115981777876, 120212775466066851264, 3204464007623702644476, 85420126381414152110475, 2277010595175522782497635]

cp's OEIS Frontend

A358713 Number of self-avoiding closed paths on an n X 7 grid which pass through four corners ((0,0), (0,6), (n-1,6), (n-1,0)).

Table of values

List of values