1,2
Cf. A066897.
Adjacent sequences: A067564 A067565 A067566 this_sequence A067568 A067569 A067570
Sequence in context: A116036 A032397 A028879 this_sequence A104294 A137270 A071111
easy,nonn
Naohiro Nomoto (n_nomoto(AT)yabumi.com), Jan 30 2002
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