0,2

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.

Index entries for sequences defined by congruent products between domains N and GF(2)[X]

a(n) = 3*A048718(n)

Intersection of A048716 and A048717.

Sequence in context: A018183 A137711 A068032 this_sequence A115807 A102255 A002910

Adjacent sequences: A048716 A048717 A048718 this_sequence A048720 A048721 A048722

nonn

Antti Karttunen, 30.3.1999