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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
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; refs; listen; history; text; internal format)
OFFSET

0,5

LINKS

Table of n, a(n) for n=0..29.

CROSSREFS

Equals 2*n*A045685(n).

Sequence in context: A240038 A188242 A103330 * A045658 A167305 A094329

Adjacent sequences:  A045664 A045665 A045666 * A045668 A045669 A045670

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified March 22 17:25 EDT 2019. Contains 321422 sequences. (Running on oeis4.)