1,1
Cf. A003587.
Sequence in context: A017510 A017642 A093004 this_sequence A115695 A030024 A068086
Adjacent sequences: A003585 A003586 A003587 this_sequence A003589 A003590 A003591
nonn,base
njas and J. H. Conway, John Jackson (ab158(AT)freenet.uchsc.edu)
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