1,1
a(n) = A152678(n)/2.
Cf. A000203, A152677, A152678.
Sequence in context: A101369 A125147 A103864 this_sequence A165783 A073318 A049449
Adjacent sequences: A152676 A152677 A152678 this_sequence A152680 A152681 A152682
easy,nonn
Omar E. Pol (info(AT)polprimos.com), Dec 10 2008
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