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 A181101 Triangle T(n,k) read by rows. T(1,1)=-1, n>1: If n/k=A020639(n) then 1 else 0. 2
 -1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Let A=T(n,k)*T(n,k), B=A*A, C=B*B, D=C*C, and so on. Then the first column in the last matrix (D) converges to the Liouville function. LINKS EXAMPLE Triangle starts: -1, 1,0, 1,0,0, 0,1,0,0, 1,0,0,0,0, 0,0,1,0,0,0, 1,0,0,0,0,0,0, 0,0,0,1,0,0,0,0, 0,0,1,0,0,0,0,0,0, 0,0,0,0,1,0,0,0,0,0, 1,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,1,0,0,0,0,0,0, CROSSREFS Cf. A020639, A008836. Sequence in context: A058840 A154269 A036987 * A214509 A053866 A143259 Adjacent sequences:  A181098 A181099 A181100 * A181102 A181103 A181104 KEYWORD sign,tabl AUTHOR Mats Granvik, Oct 03 2010 STATUS approved

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