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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
OFFSET
0,4
LINKS
FORMULA
From Andrew Howroyd, Sep 15 2019: (Start)
Inverse Moebius transform of A045669.
a(n) = A045655(n) - A045656(n). (End)
CROSSREFS
KEYWORD
nonn
STATUS
approved