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 A083651 Triangular array, read by rows: T(n,k) = k-th bit in binary representation of n (0<=k<=n). 2
 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS n = Sum(T(n,k)*2^k: 0<=k<=n); T(n, A070939(n))=1 for n>0, T(n,k)=0 for k>A070939(n); T(n,0)=A000035(n); T(n,n)=0; A021913(0)=T(0,0), A021913(n)=T(n,1) for n>0. LINKS CROSSREFS Sequence in context: A115199 A085242 A059620 * A111748 A130198 A104893 Adjacent sequences:  A083648 A083649 A083650 * A083652 A083653 A083654 KEYWORD nonn,tabl AUTHOR Reinhard Zumkeller, May 01 2003 STATUS approved

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