1,1
Cf. A139250, A139253, A153006.
Sequence in context: A128288 A113115 A107136 this_sequence A147168 A147183 A098547
Adjacent sequences: A153006 A153007 A153008 this_sequence A153010 A153011 A153012
more,nonn
Omar E. Pol (info(AT)polprimos.com), Dec 20 2008
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