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

Author

Mats Granvik, Apr 01 2010

Keywords

• nonn

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.

Crossrefs

Cf. A174888, A005171.