1,1
A008472(n)/A001221(n)=c^2, c an integer.
Cf. A008472, A001221, A115405, A140480
Sequence in context: A082825 A118861 A118531 this_sequence A096905 A147857 A147858
Adjacent sequences: A144707 A144708 A144709 this_sequence A144711 A144712 A144713
easy,nonn
Ctibor O. Zizka (c.zizka(AT)email.cz), Sep 19 2008
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