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A007977 Modified de Bruijn sequences: max. length of binary necklace in which no n-bit word appears twice. +0
1
1, 4, 6, 13, 20, 39, 70 (list; graph; listen)
OFFSET

1,2
LINKS

Index entries for sequences related to necklaces

CROSSREFS

Adjacent sequences: A007974 A007975 A007976 this_sequence A007978 A007979 A007980

Sequence in context: A063186 A069061 A088811 this_sequence A013122 A012964 A120463

KEYWORD

nonn

AUTHOR

wds(AT)research.nj.nec.com (Warren Smith)

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

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