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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A184672 Number of (n+1)X9 0..3 arrays with no 2X2 subblock summing to less than 6.

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%I A184672 #6 Jun 02 2025 03:50:05
%S A184672 3432961182,157454260497016,5269979734803579913,
%T A184672 198432026871542606565562,7198790025550990326313861165,
%U A184672 264615725211389828099780842721919,9684133255072575015900450075888762942
%N A184672 Number of (n+1)X9 0..3 arrays with no 2X2 subblock summing to less than 6.
%C A184672 Column 8 of A184673
%e A184672 Some solutions for 3X9
%e A184672 ..0..2..0..2..2..2..2..2..0....0..2..0..2..2..2..0..2..3
%e A184672 ..2..3..1..3..0..2..3..2..3....2..3..1..3..0..2..2..3..1
%e A184672 ..0..2..0..2..2..2..3..2..0....0..2..0..2..2..3..2..1..2
%K A184672 nonn
%O A184672 1,1
%A A184672 _R. H. Hardin_ Jan 19 2011

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