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A129573 A097806 * A129372. 3
1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Andrew Howroyd, Table of n, a(n) for n = 1..1275 (rows 1..50)

FORMULA

A097806 * A129372 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

  1;

  1, 1;

  1, 1, 1;

  1, 0, 1, 1;

  1, 0, 0, 1, 1;

  1, 1, 0, 0, 1, 1;

  1, 1, 0, 0, 0, 1, 1;

  1, 0, 0, 0, 0, 0, 1, 1;

  ...

PROG

(PARI) T(n, k)=(n%k==0 && n/k%2) || ((n-1)%k==0 && (n-1)/k%2) \\ Andrew Howroyd, Aug 10 2018

CROSSREFS

Row sums are A129574.

Cf. A129572, A129372, A097806.

Sequence in context: A075743 A136705 A141646 * A181652 A071024 A071037

Adjacent sequences:  A129570 A129571 A129572 * A129574 A129575 A129576

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Apr 22 2007

EXTENSIONS

Duplicate a(35) removed and terms a(56) and beyond from Andrew Howroyd, Aug 10 2018

STATUS

approved

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Last modified August 26 03:17 EDT 2019. Contains 326324 sequences. (Running on oeis4.)