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A262474 Number of (4+1)X(n+1) 0..1 arrays with each row divisible by 3 and each column divisible by 5, read as a binary number with top and left being the most significant bits.

%I A262474 #4 Sep 23 2015 18:53:48
%S A262474 7,17,115,457,3055,16081,107731,655001,4427407,28848817,196901395,
%T A262474 1326556777,9126593455,62528586641,432702173011,2991144099001,
%U A262474 20781922758607,144379920476017,1005798678435475,7008103279484297
%N A262474 Number of (4+1)X(n+1) 0..1 arrays with each row divisible by 3 and each column divisible by 5, read as a binary number with top and left being the most significant bits.
%C A262474 Row 4 of A262472.
%H A262474 R. H. Hardin, <a href="/A262474/b262474.txt">Table of n, a(n) for n = 1..210</a>
%F A262474 Empirical: a(n) = 7*a(n-1) +75*a(n-2) -525*a(n-3) -2034*a(n-4) +14238*a(n-5) +25010*a(n-6) -175070*a(n-7) -141969*a(n-8) +993783*a(n-9) +333315*a(n-10) -2333205*a(n-11) -214396*a(n-12) +1500772*a(n-13)
%e A262474 Some solutions for n=4
%e A262474 ..0..1..0..0..1....0..0..0..0..0....1..1..0..0..0....0..1..1..0..0
%e A262474 ..1..1..1..1..0....0..0..0..0..0....1..0..1..0..1....0..1..1..1..1
%e A262474 ..0..1..1..1..1....0..0..0..1..1....1..1..0..0..0....0..1..1..1..1
%e A262474 ..1..1..1..1..0....0..0..0..0..0....1..0..1..0..1....0..1..1..1..1
%e A262474 ..0..0..1..1..0....0..0..0..1..1....0..0..0..0..0....0..0..0..1..1
%Y A262474 Cf. A262472.
%K A262474 nonn
%O A262474 1,1
%A A262474 _R. H. Hardin_, Sep 23 2015