A121786 "Cow patches" on the square lattice (see Jensen web site for further information).

1, 7, 160, 11408, 2522191, 1718769373, 3598611604598, 23098353998190640, 453839082673896579243, 27266319759961440667165921, 5005013940387988257218110301496, 2805250606288167736619664411164848668

Offset

1,2

Links

I. Jensen, Table of n, a(n) for n = 1..19 [from the Jensen link below]

M. Bousquet-Mélou, A. J. Guttmann, Iwan Jensen, Self-avoiding walks crossing a square, J. Phys. A: Math. Gen. 38 (2005) 9159-9181, Table 2.

I. Jensen, Series Expansions for Self-Avoiding Walks.

I. Jensen, Cow patches.

Crossrefs

Cf. A007764, A121785.

Sequence in context: A137995 A177779 A177469 * A316947 A083153 A320337

Adjacent sequences: A121783 A121784 A121785 * A121787 A121788 A121789

Keyword

nonn

Author

N. J. A. Sloane, Aug 30 2006

Status

approved