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A045656 Number of 2n-bead balanced binary strings, rotationally equivalent to reverse, complement and reversed complement. 0
1, 2, 6, 8, 22, 32, 48, 100, 150, 260, 336, 684, 784, 1640, 1868, 3728, 4246, 8672, 9372, 19420, 20752, 42736, 45700, 94164, 98832, 204632, 214584, 441764, 460524, 950216, 985968, 2031556, 2101398, 4323888, 4465056, 9174400, 9444988 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..36.

CROSSREFS

Sequence in context: A058775 A103023 A111247 * A129342 A045654 A081672

Adjacent sequences:  A045653 A045654 A045655 * A045657 A045658 A045659

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified March 26 00:20 EDT 2019. Contains 321478 sequences. (Running on oeis4.)