1,1
Cf. A152539.
Sequence in context: A068678 A069833 A031337 this_sequence A073859 A038847 A130056
Adjacent sequences: A152537 A152538 A152539 this_sequence A152541 A152542 A152543
easy,nonn
Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Dec 07 2008
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