The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A146946 Weight distribution of [136,68,24] double circulant code. 0
 1, 0, 0, 0, 0, 0, 3997890, 1228844320, 182985731775, 14283914414016, 612875802567105, 14997654299809440, 215365307912371904, 1855049119250976000, 9745212817192720384, 31607315976754470912 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,7 COMMENTS Taken from the Tjhai-Tomlinson web site. LINKS Table of n, a(n) for n=0..15. C. J. Tjhai and Martin Tomlinson, Weight Distributions of Quadratic Residue and Quadratic Double Circulant Codes over GF(2) EXAMPLE The weight distribution is: i A_i 0 1 24 3997890 28 1228844320 32 182985731775 36 14283914414016 40 612875802567105 44 14997654299809440 48 215365307912371904 52 1855049119250976000 56 9745212817192720384 60 31607315976754470912 64 63822675800631222272 68 80625417139398574080 72 63822675800631222272 76 31607315976754470912 80 9745212817192720384 84 1855049119250976000 88 215365307912371904 92 14997654299809440 96 612875802567105 100 14283914414016 104 182985731775 108 1228844320 112 3997890 136 1 CROSSREFS Sequence in context: A047987 A234798 A290123 * A109207 A104930 A251614 Adjacent sequences: A146943 A146944 A146945 * A146947 A146948 A146949 KEYWORD nonn,fini AUTHOR N. J. A. Sloane, Apr 20 2009 STATUS approved

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

Last modified February 24 11:15 EST 2024. Contains 370303 sequences. (Running on oeis4.)