A393068 a(n) = A391844(n) * A393067(n).

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

Offset

1

Links

Antti Karttunen, Table of n, a(n) for n = 1..100000

Index entries for characteristic functions.

Index entries for sequences related to primorial base.

Prog

(PARI) A393068(n) = (A391844(n)*A393067(n));

Crossrefs

Characteristic function of A392868.

Cf. A391844, A393067.

Sequence in context: A281815 A387646 A353633 * A205988 A167700 A010057

Adjacent sequences: A393065 A393066 A393067 * A393069 A393070 A393071

Keyword

nonn

Author

Antti Karttunen, Jan 31 2026

Status

approved