

A237094


Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the lower median minus the upper median of every 2X2 subblock equal


1



1178, 10466, 95954, 944850, 9188374, 93666930, 938845280, 9750633426, 99519840956, 1043306362002, 10763128238126, 113308215301416, 1176365288567766, 12403335565405010, 129267508548661710
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OFFSET

1,1


COMMENTS



LINKS



FORMULA

Empirical recurrence of order 68 (see link above)


EXAMPLE

Some solutions for n=3
..1..2..0..1....0..2..2..2....2..2..1..2....0..0..0..0....2..1..2..0
..0..2..1..1....2..2..2..2....1..0..2..0....1..2..1..2....0..2..0..1
..1..2..1..0....2..0..2..1....2..2..1..2....1..2..0..2....2..1..0..0
..0..2..0..2....2..2..2..2....1..0..2..1....2..0..1..2....2..1..1..2


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



