A145659 - OEIS

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A145659

Weight distribution of [80,40,16] binary extended quadratic-residue (or QR) code.

1, 0, 0, 0, 97565, 12882688, 590073120, 10588174080, 79707678050, 263303738880, 391106339008, 263303738880, 79707678050, 10588174080, 590073120, 12882688, 97565, 0, 0, 0, 1 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,5`
	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` `16 97565` `20 12882688` `24 590073120` `28 10588174080` `32 79707678050` `36 263303738880` `40 391106339008` `44 263303738880` `48 79707678050` `52 10588174080` `56 590073120` `60 12882688` `64 97565` `80 1`
	CROSSREFS	`Sequence in context: A102868 A205042 A184494 * A022214 A109185 A002273` `Adjacent sequences: A145656 A145657 A145658 * A145660 A145661 A145662`
	KEYWORD	`nonn,fini,full`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Mar 20 2009`

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Last modified February 16 04:47 EST 2012. Contains 205860 sequences.