login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A004281 2, 4 and the odd numbers. 1
1, 2, 3, 4, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Hilbert series of a hyperelliptic curve of genus 4 and degree 2. - Paul Barry, Aug 11 2006

LINKS

Table of n, a(n) for n=0..66.

FORMULA

G.f.: (1-x^10)/((1-x)^2(1-x^5)). - Paul Barry, Aug 11 2006

MATHEMATICA

Union[{2, 4}, 2*Range[80] - 1] (* Stefan Steinerberger, Apr 09 2006 *)

CROSSREFS

Sequence in context: A316268 A026285 A013930 * A004276 A033057 A092755

Adjacent sequences:  A004278 A004279 A004280 * A004282 A004283 A004284

KEYWORD

easy,nonn

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Stefan Steinerberger, Apr 09 2006

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 20 21:19 EDT 2019. Contains 327247 sequences. (Running on oeis4.)