A133806 Alternate terms of A131708 and A000079.

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

Author

Paul Curtz, Jan 06 2008

Keywords

• nonn
• easy

Links

• Index entries for linear recurrences with constant coefficients, signature (0,3,0,-3,0,2).

Crossrefs

Cf. A000079.

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