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 A292142 Triangle read by rows: T(n,k) = (-4)^(k mod 2) * T(n-k,k-1) + T(n-k,k) with T(0,0) = 1 for 0 <= k <= A003056(n). 2
 1, 0, -4, 0, -4, 0, -4, -4, 0, -4, -4, 0, -4, -8, 0, -4, -8, 16, 0, -4, -12, 16, 0, -4, -12, 32, 0, -4, -16, 48, 0, -4, -16, 64, 16, 0, -4, -20, 80, 16, 0, -4, -20, 112, 32, 0, -4, -24, 128, 48, 0, -4, -24, 160, 80, 0, -4, -28, 192, 96, -64, 0, -4, -28, 224, 144 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Seiichi Manyama, Rows n = 0..481, flattened EXAMPLE First few rows are:   1;   0, -4;   0, -4;   0, -4,  -4;   0, -4,  -4;   0, -4,  -8;   0, -4,  -8, 16;   0, -4, -12, 16;   0, -4, -12, 32;   0, -4, -16, 48;   0, -4, -16, 64, 16. CROSSREFS Row sums give A292135. Columns 0-1 give A000007, (-4)*A000012. Cf. A292047. Sequence in context: A010675 A035673 A035638 * A345450 A098002 A241658 Adjacent sequences:  A292139 A292140 A292141 * A292143 A292144 A292145 KEYWORD sign,tabf AUTHOR Seiichi Manyama, Sep 09 2017 STATUS approved

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Last modified June 21 10:09 EDT 2021. Contains 345360 sequences. (Running on oeis4.)