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A202653 Number of 4 X 4 0..n arrays with no row or column sum equal to the previous one. 1
10016, 14394092, 1960824272, 82673548892, 1704690798544, 21663154469016, 194018658663536 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for n=1:

  1 1 1 1     1 1 1 1     1 0 0 0     0 1 0 0     0 0 1 0

  1 0 1 1     1 0 0 0     0 0 0 0     0 0 0 0     1 0 0 1

  1 0 0 1     1 0 1 0     1 1 1 1     1 1 0 0     0 0 0 0

  0 0 0 1     1 1 1 1     1 1 0 1     0 0 1 0     1 0 0 1

CROSSREFS

Row 4 of A202651.

Sequence in context: A052095 A033533 A146505 * A210130 A213319 A241880

Adjacent sequences:  A202650 A202651 A202652 * A202654 A202655 A202656

KEYWORD

nonn,more

AUTHOR

R. H. Hardin, Dec 22 2011

STATUS

approved

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Last modified June 27 13:59 EDT 2022. Contains 354896 sequences. (Running on oeis4.)