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A309073 Split the sequence A247476 into nonempty chunks of minimal length such that for d = 1..9, the number of terms with leading digit d is even; a(n) is the length of the n-th chunk. 1
26, 6, 6, 76, 14, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 712, 38, 280, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
This sequence corresponds to the first difference of A309063.
LINKS
FORMULA
a(n) = A309063(n+1) - A309063(n).
a(n) = A055642(A309072(n)).
EXAMPLE
See illustration of first terms in Links section.
CROSSREFS
Sequence in context: A040659 A073029 A040657 * A277215 A331481 A040656
KEYWORD
nonn,base
AUTHOR
Rémy Sigrist, Jul 10 2019
STATUS
approved

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Last modified May 18 21:39 EDT 2024. Contains 372666 sequences. (Running on oeis4.)