1,3
Cf. A124827.
Sequence in context: A139770 A140635 A002322 this_sequence A117004 A128982 A096216
Adjacent sequences: A127832 A127833 A127834 this_sequence A127836 A127837 A127838
nonn
Artur Jasinski (grafix(AT)csl.pl), Feb 02 2007
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