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A306316
Number of length-n binary words such that every conjugate (cyclic shift) is rich.
0
2, 4, 8, 16, 32, 64, 128, 224, 404, 684, 1124, 1732, 2680, 4078, 6338, 9072, 13160, 18502, 26830, 36936, 51850, 70228, 97246, 129940, 178782, 235980, 320858, 419190, 563936, 732472, 979602, 1262128
OFFSET
1,1
COMMENTS
A length-n word is rich if it contains, as contiguous subwords, n nonempty palindromes.
CROSSREFS
Cf. A216264.
Sequence in context: A089889 A297526 A229617 * A275061 A230177 A216264
KEYWORD
nonn,more
AUTHOR
Jeffrey Shallit, Feb 06 2019
EXTENSIONS
a(19)-a(32) from Lars Blomberg, Feb 13 2019
STATUS
approved