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A183745 Number of (n+1) X 7 0..2 arrays with equal numbers of 2 X 2 subblocks with sum over 4 and with sum under 4. 0

%I #8 Jan 15 2017 11:47:05

%S 639129,829488619,1426003404195,2669694620697299,5196551724167646157,

%T 10344463877985567114685,20903404048556272844034529

%N Number of (n+1) X 7 0..2 arrays with equal numbers of 2 X 2 subblocks with sum over 4 and with sum under 4.

%C Column 6 of A183748.

%e Some solutions for 3 X 7:

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

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

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

%e ...

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 06 2011

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Last modified April 23 11:06 EDT 2024. Contains 371905 sequences. (Running on oeis4.)