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A068746
Number of potential flows in 5 X 5 array with integer velocities in -n..n, i.e., number of 5 X 5 arrays with adjacent elements differing by no more than n, counting arrays differing by a constant only once.
21
1, 1366395515, 184422574177355, 523957519578572209, 207345516734034667209, 24953087551680958151267, 1354915464537160758459123
OFFSET
0,2
CROSSREFS
2 X 2 A063496, 3 X 3 A068744, 4 X 4 A068745, 6 X 6 A068747, by velocity limit 1..14 A068748-A068761, solenoidal flows A068722-A068738.
Sequence in context: A260874 A251358 A346959 * A343078 A345010 A338516
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 27 2002
STATUS
approved