1,1
Or, no base 2 digit of n is a base 4 digit of n.
Sequence in context: A007961 A060811 A081706 this_sequence A047473 A008509 A081868
Adjacent sequences: A032801 A032802 A032803 this_sequence A032805 A032806 A032807
nonn,base
Clark Kimberling (ck6(AT)evansville.edu)
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