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A262468 Number of (n+1)X(4+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. 1

%I

%S 1,11,121,457,2413,22907,239281,2028469,19072681,195594107,2033050681,

%T 20694058921,213513561709,2238052993835,23529091943281,

%U 247329143808181,2608684587258313,27709182321786251,294872156127246841

%N Number of (n+1)X(4+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 Column 4 of A262472.

%H R. H. Hardin, <a href="/A262468/b262468.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A262468/a262468.txt">Empirical recurrence of order 73</a>

%F Empirical recurrence of order 73 (see link above)

%e Some solutions for n=4

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

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

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

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

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

%Y Cf. A262472.

%K nonn

%O 1,2

%A _R. H. Hardin_, Sep 23 2015

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Last modified December 5 08:23 EST 2021. Contains 349543 sequences. (Running on oeis4.)