1,1
Cf. A022903, A029905.
Sequence in context: A080892 A074186 A064147 this_sequence A137920 A126581 A003038
Adjacent sequences: A122526 A122527 A122528 this_sequence A122530 A122531 A122532
hard,nonn
Sergei Bernstein (sergeibernstein(AT)gmail.com), Sep 17 2006
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