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1-bits occur only in pairs, separated from other such pairs by at least two 0-bits.
All terms satisfy both A048727(n) = 3*n and A048725(n) = 5*n.
Table of n, a(n) for n=0..40.
Index entries for sequences defined by congruent products between domains N and GF(2)[X]
a(n) = 3*A048718(n).
(PARI) is(n)=n%3==0 && !bitand(n/3, 14*n/3) \\ Charles R Greathouse IV, Oct 03 2016
Intersection of A048716 and A048717.
Sequence in context: A137711 A068032 A293341 * A115807 A322676 A102255
Adjacent sequences: A048716 A048717 A048718 * A048720 A048721 A048722
Antti Karttunen, 30.3.1999