A250299 Parity of A098550.

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

Offset

1

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Formula

a(n) = A000035(A098550(n)) = A098550(n) mod 2.

Prog

(Haskell)
a250299 = flip mod 2 . a098550  -- Reinhard Zumkeller, May 05 2015

Crossrefs

Cf. A000035, A098550, A195376.

Cf. A257585.

Sequence in context: A374136 A091337 A166698 * A361122 A193497 A260390

Adjacent sequences: A250296 A250297 A250298 * A250300 A250301 A250302

Keyword

nonn

Author

Omar E. Pol, Jan 19 2015

Status

approved