1,2
Cf. A060843, A028444.
Sequence in context: A027941 A135254 A000754 this_sequence A135373 A094893 A036880
Adjacent sequences: A119680 A119681 A119682 this_sequence A119684 A119685 A119686
hard,nonn
Christian Hercher (ch(AT)wurzel.org), Jun 08 2006
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