|
Search: id:A130869
|
|
| |
|
| 2, 7, 16, 32, 63, 126, 254, 511, 1024, 2048, 4095, 8190, 16382, 32767, 65536, 131072, 262143, 524286, 1048574, 2097151, 4194304, 8388608, 16777215, 33554430, 67108862, 134217727, 268435456, 536870912, 1073741823, 2147483646
(list; graph; listen)
|
|
|
OFFSET
|
0,1
|
|
|
FORMULA
|
O.g.f.: (2-x)/[(1-x)(1-2x)(1-x+x^2)]. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 04 2008
Inverse binomial transform yields 2,(5,4,3) periodically continued with period 3. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 04 2008
a(n+1)-2a(n) = A131290(n+1). 2^(n+2)-a(n) = A131026(n+2).
|
|
CROSSREFS
|
Sequence in context: A064468 A074470 A023550 this_sequence A023612 A132738 A097442
Adjacent sequences: A130866 A130867 A130868 this_sequence A130870 A130871 A130872
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Paul Curtz (bpcrtz(AT)free.fr), Jul 24 2007
|
|
EXTENSIONS
|
Edited and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 04 2008
|
|
|
Search completed in 0.002 seconds
|
