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 A254418 Number of (n+1)X(4+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 10:31:18

%S 9623,229652,6880359,199339608,5909079229,176730239629,5319044439319,

%T 160859837705171,4877701778477461,148204822276555255,

%U 4508452853128697649,137265217707076238687,4181409876046551764241,127420982104754173247655

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

%C Column 4 of A254422

%H R. H. Hardin, <a href="/A254418/b254418.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A254418/a254418.txt">Empirical recurrence of order 60</a>

%F Empirical recurrence of order 60 (see link above)

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 30 2015

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Last modified April 15 20:47 EDT 2024. Contains 371696 sequences. (Running on oeis4.)