A057580 - OEIS

The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

A057580

Maximal numbers of codewords in mixed code with 2 binary coordinates and n ternary coordinates with Hamming distance 3.

1, 2, 4, 9, 22 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,2`
	COMMENTS	`Is this sequence equal to A105633? - Paul D. Hanna, Apr 17 2005`
	LINKS	`Table of n, a(n) for n=0..4.` `Patric R. J. Östergård, Classification of small binary/ternary one-error-correcting codes (Appendix), Discrete Mathematics 223 (2000), 253-262.`
	CROSSREFS	`Cf. A057574-A057584, A050142.` `Sequence in context: A148076 A217976 A156801 * A129875 A055094 A055729` `Adjacent sequences: A057577 A057578 A057579 * A057581 A057582 A057583`
	KEYWORD	`nonn,more`
	AUTHOR	`N. J. A. Sloane, Oct 04 2000`
	STATUS	`approved`

Last modified March 5 01:55 EST 2021. Contains 341813 sequences. (Running on oeis4.)