1,1
Cf. A139250, A139251, A151566, A160743, A160744.
Sequence in context: A038167 A131077 A072464 this_sequence A105676 A127739 A070318
Adjacent sequences: A160742 A160743 A160744 this_sequence A160746 A160747 A160748
more,nonn
Omar E. Pol (info(AT)polprimos.com), May 25 2009
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