1,1
Cf. A152978, A160118, A160413, A160415.
Sequence in context: A079620 A010254 A155992 this_sequence A117044 A092666 A019426
Adjacent sequences: A160414 A160415 A160416 this_sequence A160418 A160419 A160420
more,nonn
Omar E. Pol (info(AT)polprimos.com), Jun 13 2009
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