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A045667 2n-bead balanced binary strings of fundamental period 2n, rotationally equivalent to reverse, inequivalent to complement and reversed complement. +0
2
0, 0, 0, 0, 16, 20, 168, 168, 896, 972, 4600, 4840, 20880, 22360, 93744, 99060, 405504, 428876, 1738080, 1828104, 7359600, 7716240, 30982864, 32355664, 129654144, 135002900, 540570160, 561187116, 2245878544, 2325812528 (list; graph; listen)
OFFSET

0,5
CROSSREFS

Equals 2*n*A045685(n).

Sequence in context: A088449 A102544 A103330 this_sequence A045658 A094329 A070573

Adjacent sequences: A045664 A045665 A045666 this_sequence A045668 A045669 A045670

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

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