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A254425 Number of (4+1)X(n+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I #4 Jan 30 2015 10:40:05

%S 9623,238639,6683795,199339608,5865501284,176249310185,5303248513516,

%T 160601900255520,4871790218122520,148101566721144218,

%U 4506468752512913580,137234365855057507402,4181007197115662729640,127420614137971238715046

%N Number of (4+1)X(n+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Row 4 of A254422

%H R. H. Hardin, <a href="/A254425/b254425.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A254425/a254425.txt">Empirical recurrence of order 59</a>

%F Empirical recurrence of order 59 (see link above)

%e Some solutions for n=1

%e ..0..2....1..1....1..2....1..2....0..2....0..2....0..0....1..2....2..2....1..0

%e ..1..1....2..2....2..2....0..0....1..1....0..1....2..2....2..1....2..2....1..1

%e ..2..2....1..2....0..0....1..1....2..1....0..0....2..2....2..1....2..2....1..1

%e ..2..0....2..2....0..0....2..2....2..1....2..1....2..2....0..0....2..2....2..2

%e ..1..1....1..0....1..2....1..0....2..2....0..1....1..0....1..2....1..0....1..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 30 2015

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Last modified April 13 23:25 EDT 2024. Contains 371652 sequences. (Running on oeis4.)