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 A154388 Triangle T(n,k), 0<=k<=n, read by rows given by [0,1,-1,0,0,0,0,0,0,0,...] DELTA [1,-1,-1,1,0,0,0,0,0,0,0,...] where DELTA is the operator defined in A084938. 1
 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS FORMULA Sum_{k=0..n} T(n,k)*x^(n-k) = A135528(n+1), A000012(n), A040001(n), A153284(n+1) for x = 0,1,2,3 respectively. G.f.: (1+y*x+(y-y^2)*x^2)/(1-y^2*x^2). - Philippe Deléham, Dec 17 2011 Sum_{k=0..n} T(n,k)*x^k = A000007(n), A000012(n), A158302(n) for x = 0, 1, 2 respectively. - Philippe Deléham, Dec 17 2011 EXAMPLE Triangle begins: 1; 0, 1; 0, 1, 0; 0, 0, 0, 1; 0, 0, 0, 1, 0; 0, 0, 0, 0, 0, 1; ... CROSSREFS Sequence in context: A089806 A274719 A014069 * A285136 A029694 A171894 Adjacent sequences: A154385 A154386 A154387 * A154389 A154390 A154391 KEYWORD nonn,tabl AUTHOR Philippe Deléham, Jan 08 2009 STATUS approved

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Last modified December 3 11:23 EST 2022. Contains 358517 sequences. (Running on oeis4.)