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A257269 Number of (n+2)X(4+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum equal to the central column sum 0

%I #3 Apr 19 2015 11:14:07

%S 13089924,380991361,4497848356,59496966400,498831438400,4488101568196,

%T 31552778558596,232279485155524,1489426595748100,9809415221570064,

%U 59889828344832256,371397537426275721,2213810688640896016

%N Number of (n+2)X(4+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum equal to the central column sum

%C Column 4 of A257270

%e Some solutions for n=1

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

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

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

%Y Cf. A257270

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 19 2015

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)