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A068760 Number of potential flows in n X n array with integer velocities in -13..13, i.e., number of n X n arrays with adjacent elements differing by no more than 13, counting arrays differing by a constant only once. 0
1, 13131, 59427841617, 95300503181597170089 (list; graph; refs; listen; history; text; internal format)
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: A023320 A206149 A221156 * A252156 A102331 A064252

Adjacent sequences:  A068757 A068758 A068759 * A068761 A068762 A068763

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 27 2002

STATUS

approved

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Last modified August 9 22:52 EDT 2020. Contains 336335 sequences. (Running on oeis4.)