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A253374 Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw 0

%I #3 Dec 30 2014 19:59:00

%S 751689,27587386,912012350,8129400162,90160819133,395423995297,

%T 2328730657618,7268309821982,30358932724029,80127971130743,

%U 277035286072420,673287348628358,2096912690843655,4920343202272054

%N Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw

%C Column 7 of A253375

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 30 2014

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Last modified February 28 16:26 EST 2024. Contains 370400 sequences. (Running on oeis4.)