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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.
0
1, 6181, 7970825457, 2204710243834695807
OFFSET
1,2
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 27 2002
STATUS
approved