A175832 Number of solutions of equation 3^q - 2^p = n over integer variables p, q.

1, 2, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0

Offset

0,2

Comments

a(n)=0 iff n is in A173671; a(n)>0 iff n is in A192111.

Links

Table of n, a(n) for n=0..100.

Crossrefs

Sequence in context: A328682 A007920 A127587 * A330961 A345236 A321223

Adjacent sequences: A175829 A175830 A175831 * A175833 A175834 A175835

Keyword

nonn

Author

Vladimir Reshetnikov, Sep 15 2010

Extensions

Edited and extended by Max Alekseyev, Jan 28 2012

Status

approved