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A000530 Let p(n, s, x) be predicate that number of occurrences of s's in x >= 2*n - the length of the longest sequence of s's in x. Then a(n)=#{x in {0,1}* | x ends in 0 and p(n,0,x) and (there is no prefix y of x such that p(n,0,y) or p(n,1,y))}. 1
1, 5, 28, 226, 2077, 20770, 222884, 2529541 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
a(9)>=29995812 (probably equal to this value)
LINKS
CROSSREFS
Sequence in context: A340904 A038172 A183375 * A121674 A306181 A362690
KEYWORD
nonn,hard,more
AUTHOR
Jonas Wallgren [ jwc(AT)ida.liu.se ]
EXTENSIONS
a(7)-a(8) from Sean A. Irvine, Nov 14 2010
STATUS
approved

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Last modified May 29 21:02 EDT 2024. Contains 372952 sequences. (Running on oeis4.)