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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 * A098002 A241658 A256719

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 October 18 08:08 EDT 2019. Contains 328146 sequences. (Running on oeis4.)