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If C represents the minimum number of segments required to construct n unit cubes, then this sequence represents the number of additional segments required to construct n+1 unit cubes. First differences of sequence A117227.
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%I #5 Jun 14 2013 09:50:51

%S 12,8,8,5,8,5,5,3,8,5,5,3,8,5,5,3,5,3,8,5,5,3,5,3,5,3,3

%N If C represents the minimum number of segments required to construct n unit cubes, then this sequence represents the number of additional segments required to construct n+1 unit cubes. First differences of sequence A117227.

%e a(1)=12 because 12 segments are required to construct the first unit cube. a(2)=8 because 8 additional unit segments are required to construct two unit cubes.

%Y Cf. A117227.

%K easy,nonn

%O 1,1

%A _Ron R. King_, May 18 2006