1,3
Cf. A030289.
Sequence in context: A054762 A039088 A111794 this_sequence A099088 A029447 A161751
Adjacent sequences: A030287 A030288 A030289 this_sequence A030291 A030292 A030293
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com)
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