A092176 A067076 + A000079/2.

0, 1, 3, 6, 12, 21, 39, 72, 138, 269, 526, 1041, 2067, 4116, 8214, 16409, 32796, 65565, 131104, 262178, 524323, 1048614, 2097192, 4194347, 8388655, 16777265, 33554482, 67108916, 134217781

Offset

0,3

Links

Table of n, a(n) for n=0..28.

Crossrefs

Cf. A067076, A000079.

Sequence in context: A006330 A293636 A087503 * A000991 A345028 A095093

Adjacent sequences: A092173 A092174 A092175 * A092177 A092178 A092179

Keyword

nonn

Author

David G. Williams (davwill24(AT)aol.com), Apr 03 2004

Status

approved