login
A133806
Alternate terms of A131708 and A000079.
3
0, 1, 1, 2, 2, 4, 3, 8, 5, 16, 10, 32, 21, 64, 43, 128, 86, 256, 171, 512, 341, 1024, 682, 2048, 1365, 4096, 2731, 8192, 5462, 16384, 10923, 32768, 21845, 65536, 43690, 131072, 87381, 262144, 174763, 524288, 349526, 1048576, 699051, 2097152
OFFSET
0,4
FORMULA
G.f.: -x*(1+x-x^2-x^3+x^4) / ( (2*x^2-1)*(x^4-x^2+1) ). - R. J. Mathar, Jul 16 2015
CROSSREFS
Cf. A000079.
Sequence in context: A185959 A006799 A056429 * A360241 A283717 A185333
KEYWORD
nonn,easy
AUTHOR
Paul Curtz, Jan 06 2008
STATUS
approved