0,2
a(n)=A017912(3n). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 28 2008
Adjacent sequences: A017927 A017928 A017929 this_sequence A017931 A017932 A017933
Sequence in context: A071618 A103819 A017929 this_sequence A014398 A078054 A018043
nonn
njas
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