1,1
a(n)=A007088(A031443(n)).
Sequence in context: A013715 A135612 A110147 this_sequence A139101 A015482 A104486
Adjacent sequences: A071922 A071923 A071924 this_sequence A071926 A071927 A071928
nonn,base
Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 14 2002
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