A068757 Number of potential flows in n X n array with integer velocities in -10..10, i.e., number of n X n arrays with adjacent elements differing by no more than 10, counting arrays differing by a constant only once.

1, 6181, 7970825457, 2204710243834695807

Offset

1,2

Links

Table of n, a(n) for n=1..4.

Crossrefs

By size 3 X 3, ..., 6 X 6 A068744-A068747, by velocity limit 1..14 A068248-A068761, solenoidal flows A068722-A068738.

Sequence in context: A151967 A214556 A114930 * A278868 A255791 A186602

Adjacent sequences: A068754 A068755 A068756 * A068758 A068759 A068760

Keyword

nonn

Author

R. H. Hardin, Feb 27 2002

Status

approved