0,3
Cf. A000123.
Sequence in context: A085885 A064986 A029019 this_sequence A008667 A109763 A119620
Adjacent sequences: A040036 A040037 A040038 this_sequence A040040 A040041 A040042
nonn
njas and J. H. Conway (conway(AT)math.princeton.edu)
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