A084554 - OEIS

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A084554

Weight distribution of [104,52,20] binary extended quadratic-residue (or QR) code.

1, 0, 0, 0, 0, 1138150, 206232780, 15909698064, 567725836990, 9915185041320, 88355709788905, 413543821457520, 1036378989344140, 1406044530294756, 1036378989344140, 413543821457520, 88355709788905, 9915185041320 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,6`
	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` `20 1138150` `24 206232780` `28 15909698064` `32 567725836990` `36 9915185041320` `40 88355709788905` `44 413543821457520` `48 1036378989344140` `52 1406044530294756` `56 1036378989344140` `60 413543821457520` `64 88355709788905` `68 9915185041320` `72 567725836990` `76 15909698064` `80 206232780` `84 1138150` `104 1`
	CROSSREFS	`Sequence in context: A069583 A109209 A100365 * A192104 A204307 A112043` `Adjacent sequences: A084551 A084552 A084553 * A084555 A084556 A084557`
	KEYWORD	`nonn,fini`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Mar 30 2009`

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Last modified February 15 03:59 EST 2012. Contains 205694 sequences.