1,1
Cf. A139253, A161420, A161421.
Sequence in context: A093442 A155008 A137814 this_sequence A077858 A126116 A133846
Adjacent sequences: A161420 A161421 A161422 this_sequence A161424 A161425 A161426
more,nonn
Omar E. Pol (info(AT)polprimos.com), Jun 10 2009
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