1,1
Cf. A137576 A141229 A006694 A002326.
Sequence in context: A158658 A020182 A159746 this_sequence A020280 A063653 A075740
Adjacent sequences: A140194 A140195 A140196 this_sequence A140198 A140199 A140200
nonn
Vladimir Shevelev (shevelev(AT)bgu.ac.il), Jun 15 2008
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