1,1
Cf. A030679.
Sequence in context: A088403 A077495 A030668 this_sequence A028939 A080538 A104233
Adjacent sequences: A030675 A030676 A030677 this_sequence A030679 A030680 A030681
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com)
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