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A183753 Number of (n+1) X 5 0..3 arrays with equal numbers of 2 X 2 subblocks with sum over 6 and with sum under 6. 1

%I #7 Jan 14 2017 09:35:59

%S 193360,104016508,81384279968,71621126116404,65704518455049396,

%T 61479677322733089492,58313648742426351761564,

%U 55873659093931547592606112,53955221238115277683700019760,52424648944275509869546266991080

%N Number of (n+1) X 5 0..3 arrays with equal numbers of 2 X 2 subblocks with sum over 6 and with sum under 6.

%C Column 4 of A183756.

%H R. H. Hardin, <a href="/A183753/b183753.txt">Table of n, a(n) for n = 1..15</a>

%e Some solutions for 3 X 5:

%e ..0..0..2..1..2....0..0..1..2..3....0..0..2..3..1....0..0..1..3..0

%e ..0..0..2..2..3....0..0..2..3..1....0..0..2..3..2....0..0..0..3..3

%e ..2..0..2..1..2....1..0..0..2..3....0..0..1..2..1....2..0..3..1..1

%e ...

%e ...M..M..P..P.......M..M..P..P.......M..M..P..P.......M..M..P..P...

%e ...M..M..P..P.......M..M..P..P.......M..M..P..P.......M..M..P..P...

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 06 2011

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)