A174889 First column of A174888.

1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1

Offset

1,1

Comments

Begins to differ from A005171 at n=30. a(n) is either 1 or 0. The value is chosen so that row sums in A174888 are equal to the Mobius function A008683, and row counts are equal to A074206.

Links

Table of n, a(n) for n=1..77.

Crossrefs

Cf. A174888, A005171.

Sequence in context: A267612 A242252 A100810 * A005171 A283265 A365410

Adjacent sequences: A174886 A174887 A174888 * A174890 A174891 A174892

Keyword

nonn

Author

Mats Granvik, Apr 01 2010

Status

approved