A145273 Parity sequence of A006893.

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

Offset

1,1

Comments

Complement of the parity sequence of iterated triangular numbers (A117872).

Links

Table of n, a(n) for n=1..98.

Crossrefs

Cf. A145272. Complement of A117872

Sequence in context: A039983 A152490 A361465 * A295892 A120522 A157423

Adjacent sequences: A145270 A145271 A145272 * A145274 A145275 A145276

Keyword

easy,nonn

Author

Greg Huber, Oct 06 2008

Status

approved