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A292129 Triangle read by rows: T(n,k) = (-2) * T(n-k,k-1) + T(n-k,k) with T(0,0) = 1 for 0 <= k <= A003056(n). 1
1, 0, -2, 0, -2, 0, -2, 4, 0, -2, 4, 0, -2, 8, 0, -2, 8, -8, 0, -2, 12, -8, 0, -2, 12, -16, 0, -2, 16, -24, 0, -2, 16, -32, 16, 0, -2, 20, -40, 16, 0, -2, 20, -56, 32, 0, -2, 24, -64, 48, 0, -2, 24, -80, 80, 0, -2, 28, -96, 96, -32, 0, -2, 28, -112, 144, -32, 0 (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, -2;

  0, -2;

  0, -2,  4;

  0, -2,  4;

  0, -2,  8;

  0, -2,  8,  -8;

  0, -2, 12,  -8;

  0, -2, 12, -16;

  0, -2, 16, -24;

  0, -2, 16, -32, 16.

CROSSREFS

Row sums give A070877.

Columns 0-1 give A000007, (-1)*A007395.

Cf. A291970.

Sequence in context: A097974 A333753 A139036 * A291970 A281981 A159006

Adjacent sequences:  A292126 A292127 A292128 * A292130 A292131 A292132

KEYWORD

sign,tabf

AUTHOR

Seiichi Manyama, Sep 09 2017

STATUS

approved

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Last modified February 25 08:33 EST 2021. Contains 341606 sequences. (Running on oeis4.)