1,1
Cf. A015922, A130133.
Sequence in context: A083147 A012648 A130133 this_sequence A082613 A061089 A067499
Adjacent sequences: A130131 A130132 A130133 this_sequence A130135 A130136 A130137
nonn
Zak Seidov (zakseidov(AT)yahoo.com), May 12 2007
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