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A106346 Inverse of number triangle A106344. 2
1, 0, 1, 0, -1, 1, 0, 0, 0, 1, 0, 1, -1, -1, 1, 0, 0, 0, -1, 0, 1, 0, 0, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, -1, 1, 1, -1, 1, -1, -1, 1, 0, 0, 0, 1, 0, -1, 0, -1, 0, 1, 0, 0, 0, 0, 0, 1, -1, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Rows sums are A036987 (conjecture).

LINKS

Table of n, a(n) for n=0..102.

George Beck and Karl Dilcher, A Matrix Related to Stern Polynomials and the Prouhet-Thue-Morse Sequence, arXiv:2106.10400 [math.CO], 2021. See (1.8) p. 3.

EXAMPLE

Triangle begins

1

0 1

0 -1 1

0 0 0 1

0 1 -1 -1 1

0 0 0 -1 0 1

0 0 0 0 0 -1 1

0 0 0 0 0 0 0 1

0 -1 1 1 -1 1 -1 -1 1

0 0 0 1 0 -1 0 -1 0 1

0 0 0 0 0 1 -1 0 0 -1 1

0 0 0 0 0 0 0 -1 0 0 0 1

0 0 0 0 0 0 0 0 0 1 -1 -1 1

CROSSREFS

Cf. A036987, A106344.

Sequence in context: A077051 A115955 A106344 * A296212 A189921 A341346

Adjacent sequences: A106343 A106344 A106345 * A106347 A106348 A106349

KEYWORD

easy,sign,tabl

AUTHOR

Paul Barry, Apr 29 2005

EXTENSIONS

Example corrected by Philippe Deléham, Jul 17 2012

STATUS

approved

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Last modified February 5 20:57 EST 2023. Contains 360087 sequences. (Running on oeis4.)