1,2
Cf. A104639, A104640, A104641, A104692, A104694, A104695.
Sequence in context: A111339 A118742 A122904 this_sequence A031221 A137469 A043353
Adjacent sequences: A104690 A104691 A104692 this_sequence A104694 A104695 A104696
easy,nonn,base
Zak Seidov (zakseidov(AT)yahoo.com), Mar 18 2005
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