Search: id:A068344
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%I A068344
%S A068344 0,1,1,1,0,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1,1,
%T A068344 1,1,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1,
%U A068344 1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1
%V A068344 0,-1,1,-1,0,1,-1,-1,1,1,-1,-1,0,1,1,-1,-1,-1,1,1,1,-1,-1,-1,0,1,1,1,-1,
               -1,-1,-1,1,1,
%W A068344 1,1,-1,-1,-1,-1,0,1,1,1,1,-1,-1,-1,-1,-1,1,1,1,1,1,-1,-1,-1,-1,-1,0,1,
               1,1,1,1,-1,-1,
%X A068344 -1,-1,-1,-1,1,1,1,1,1,1,-1,-1,-1,-1,-1,-1,0,1,1,1,1,1,1,-1,-1,-1,-1,-1,
               -1,-1,1,1,1,1
%N A068344 Square array read by antidiagonals of T(n,k)=sign(n-k).
%Y A068344 Cf. A049581, A057427, A057428. As a straight sequence, a(n)=0 when n 
               is in A046092. A023532 seen as a triangle is half this square.
%Y A068344 Sequence in context: A144609 A115517 A022930 this_sequence A138886 A099859 
               A102460
%Y A068344 Adjacent sequences: A068341 A068342 A068343 this_sequence A068345 A068346 
               A068347
%K A068344 easy,sign,tabl
%O A068344 0,1
%A A068344 Henry Bottomley (se16(AT)btinternet.com), Mar 06 2002

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