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 A031228 Length of n-th run of digit 2 in A031219. 0
 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 2, 2, 5, 2, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,5 LINKS Table of n, a(n) for n=1..90. MATHEMATICA Length/@(If[MemberQ[#, 2], #, Nothing]&/@Split[Flatten[ IntegerDigits[ Range[ 400], 5]]]) (* Harvey P. Dale, Dec 19 2021 *) CROSSREFS Sequence in context: A327401 A091407 A031229 * A031227 A185358 A368247 Adjacent sequences: A031225 A031226 A031227 * A031229 A031230 A031231 KEYWORD nonn,base AUTHOR Clark Kimberling STATUS approved

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Last modified August 4 22:06 EDT 2024. Contains 374934 sequences. (Running on oeis4.)