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A068747 Number of potential flows in 6x6 array with integer velocities in -n..n, i.e. number of 6x6 arrays with adjacent elements differing by no more than n, counting arrays differing by a constant only once. 35
1, 12961320464027, 379827509377146575439, 40918963843906494595507077 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

2 X 2 A063496, 3 X 3 A068744, 4 X 4 A068745, 5 X 5 A068746, by velocity limit 1..14 A068748-A068761, solenoidal flows A068722-A068738.

Sequence in context: A172551 A172615 A172719 * A160935 A159271 A064589

Adjacent sequences:  A068744 A068745 A068746 * A068748 A068749 A068750

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net), Feb 27 2002

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Last modified February 16 01:56 EST 2012. Contains 205860 sequences.