A326072 a(n) = 0 if sign(A325977(n)) = sign(A325978(n)), otherwise a(n) = 1.

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

Offset

1

Links

Antti Karttunen, Table of n, a(n) for n = 1..65537

Index entries for characteristic functions

Formula

For all n, a(A000396(n)) = 0.

Prog

(PARI) A326072(n) = (sign(A325977(n))!=sign(A325978(n))); \\ For other needed code, see in A325975.

Crossrefs

Characteristic function of A326071.

Cf. A000396, A325963, A325975, A325977, A325978, A325981.

Sequence in context: A271102 A353800 A353374 * A304362 A368997 A330682

Adjacent sequences: A326069 A326070 A326071 * A326073 A326074 A326075

Keyword

nonn

Author

Antti Karttunen, Jun 07 2019

Status

approved