A292049 - OEIS

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A292049 - OEIS

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A292049

Triangle read by rows: T(n,k) = (-1)^(k-1) * T(n-k,k-1) + T(n-k,k) with T(0,0) = 1 for 0 <= k <= A003056(n).

3

1, 0, 1, 0, 1, 0, 1, -1, 0, 1, -1, 0, 1, -2, 0, 1, -2, -1, 0, 1, -3, -1, 0, 1, -3, -2, 0, 1, -4, -3, 0, 1, -4, -4, 1, 0, 1, -5, -5, 1, 0, 1, -5, -7, 2, 0, 1, -6, -8, 3, 0, 1, -6, -10, 5, 0, 1, -7, -12, 6, 1, 0, 1, -7, -14, 9, 1, 0, 1, -8, -16, 11, 2, 0, 1, -8, -19

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,14

LINKS

Seiichi Manyama, Rows n = 0..481, flattened

EXAMPLE

First few rows are:

1;

0, 1;

0, 1;

0, 1, -1;

0, 1, -1;

0, 1, -2;

0, 1, -2, -1;

0, 1, -3, -1;

0, 1, -3, -2;

0, 1, -4, -3;

0, 1, -4, -4, 1.

CROSSREFS

Row sums give (-1)*A278400.

Columns 0-1 give A000007, A000012.

Sequence in context: A117466 A136266 A292047 * A320341 A054523 A161363

Adjacent sequences: A292046 A292047 A292048 * A292050 A292051 A292052

KEYWORD

sign,tabf,look

AUTHOR

Seiichi Manyama, Sep 08 2017

STATUS

approved