0,3
Cf. A006906, A077285, A162506.
Sequence in context: A162362 A130887 A049933 this_sequence A129362 A083579 A104626
Adjacent sequences: A163315 A163316 A163317 this_sequence A163319 A163320 A163321
easy,nonn
Vladeta Jovovic (vladeta(AT)eunet.yu), Jul 24 2009
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