0,3
Cf. A075272.
Sequence in context: A052215 A053846 A053855 this_sequence A070813 A156214 A015197
Adjacent sequences: A152473 A152474 A152475 this_sequence A152477 A152478 A152479
easy,nonn
Vladeta Jovovic (vladeta(AT)eunet.yu), Dec 05 2008
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