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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A length-n word is rich if it contains, as contiguous subwords, n nonempty palindromes.

LINKS

Table of n, a(n) for n=1..32.

CROSSREFS

Cf. A216264.

Sequence in context: A089889 A297526 A229617 * A275061 A230177 A216264

Adjacent sequences: A306313 A306314 A306315 * A306317 A306318 A306319

KEYWORD

nonn,more

AUTHOR

Jeffrey Shallit, Feb 06 2019

EXTENSIONS

a(19)-a(32) from Lars Blomberg, Feb 13 2019

STATUS

approved

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Last modified January 26 16:14 EST 2023. Contains 359833 sequences. (Running on oeis4.)