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A045660 Number of 2n-bead balanced binary strings, rotationally equivalent to reversed complement, inequivalent to reverse and complement. 1
0, 0, 0, 12, 32, 120, 300, 784, 1824, 4296, 9720, 21824, 47852, 104832, 226576, 487392, 1042208, 2219520, 4703880, 9942016, 20940152, 43995544, 92206400, 192843776, 402500844, 838655520, 1744509312, 3623427624, 7515501648 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Andrew Howroyd, Table of n, a(n) for n = 0..200

FORMULA

From Andrew Howroyd, Sep 15 2019: (Start)

Inverse Moebius transform of A045669.

a(n) = A045655(n) - A045656(n). (End)

CROSSREFS

Cf. A045655, A045656, A045669.

Sequence in context: A303079 A268769 A045669 * A334307 A192213 A050690

Adjacent sequences:  A045657 A045658 A045659 * A045661 A045662 A045663

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified November 27 03:16 EST 2021. Contains 349345 sequences. (Running on oeis4.)