A068734 - OEIS

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A068734

Number of solenoidal flows (flow in = flow out) in an n X n square array with integer velocities in -9 .. 9.

0

1, 19, 49051, 23279942261, 1954290045098180729

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..5.

CROSSREFS

By size 3 X 3, ..., 6 X 6 A068722-A068725, by velocity limit 1..13 A068726-A068738.

Sequence in context: A013528 A172762 A203703 * A216529 A145851 A182374

Adjacent sequences: A068731 A068732 A068733 * A068735 A068736 A068737

KEYWORD

nonn,more

AUTHOR

R. H. Hardin, Feb 26 2002

EXTENSIONS

a(5) from Sean A. Irvine, Mar 09 2024

STATUS

approved