A324732 Characteristic function of A324721: a(n) = 1 if 2*A156552(n) > A323243(n), and 0 otherwise.

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

Offset

1

Links

Antti Karttunen, Table of n, a(n) for n = 1..10000 (based on Hans Havermann's factorization of A156552)

Index entries for sequences related to binary expansion of n

Index entries for characteristic functions

Index entries for sequences computed from indices in prime factorization

Formula

a(n) = 1 if A323244(n) is positive, and 0 otherwise.

For n > 1, a(n) = A294934(A156552(n)).

Prog

(PARI) A324732(n) = ((2*A156552(n))>A323243(n));

Crossrefs

Cf. A156552, A294934, A323243, A323244, A324721, A324731.

Sequence in context: A304438 A168181 A368916 * A164980 A252372 A168182

Adjacent sequences: A324729 A324730 A324731 * A324733 A324734 A324735

Keyword

nonn

Author

Antti Karttunen, Mar 12 2019

Status

approved