A361122 0 if n-th composite number A002808(n) is divisible by 3, otherwise 1.

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

Offset

1

Links

Table of n, a(n) for n=1..93.

Crossrefs

Cf. A002808, A181923, A361121, A361123.

Sequence in context: A374136 A166698 A250299 * A193497 A260390 A179758

Adjacent sequences: A361119 A361120 A361121 * A361123 A361124 A361125

Keyword

nonn

Author

Scott R. Shannon, Rémy Sigrist and N. J. A. Sloane, Mar 04 2023

Status

approved