Number of Greek-key tours on a 5 X n board; i.e., self-avoiding walks on 5 X n grid starting in top left corner.
A145156
Number of Greek-key tours on a 5 X n board; i.e., self-avoiding walks on 5 X n grid starting in top left corner.
Terms
- a(0) =1a(1) =5a(2) =38a(3) =160a(4) =824a(5) =3501a(6) =16262a(7) =68591a(8) =304177a(9) =1276805a(10) =5522791a(11) =23117164a(12) =98562435a(13) =411870513a(14) =1740941765a(15) =7267608829a(16) =30557297042a(17) =127482101761a(18) =534250130959
External references
- oeis: A145156