A145922 - OEIS

This site is supported by donations to The OEIS Foundation.

A145922

Weight distribution of [71,36,13] binary quadratic-residue (or QR) code.

1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 497, 2485, 0, 0, 47570, 166495, 0, 0, 5084310, 13219206, 0, 0, 154102305, 308204610, 0, 0, 1710651635, 2688166855, 0, 0, 7377935180, 9222418975, 0, 0, 12879738244, 12879738244, 0, 0, 9222418975 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,12`
	COMMENTS	`Taken from the Tjhai-Tomlinson web site.`
	LINKS	`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` `11 497` `12 2485` `15 47570` `16 166495` `19 5084310` `20 13219206` `23 154102305` `24 308204610` `27 1710651635` `28 2688166855` `31 7377935180` `32 9222418975` `35 12879738244` `36 12879738244` `39 9222418975` `40 7377935180` `43 2688166855` `44 1710651635` `47 308204610` `48 154102305` `51 13219206` `52 5084310` `55 166495` `56 47570` `59 2485` `60 497` `71 1`
	CROSSREFS	`Sequence in context: A108157 A062676 A097785 * A145981 A064255 A067917` `Adjacent sequences: A145919 A145920 A145921 * A145923 A145924 A145925`
	KEYWORD	`nonn,fini`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Apr 07 2009`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 02:48 EST 2012. Contains 205978 sequences.