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 A167530 The length of the n-th run of identical consecutive values of A166724. 1
 1, 1, 1, 2, 3, 2, 3, 2, 4, 4, 1, 5, 3, 1, 4, 5, 4, 2, 4, 3, 2, 5, 3, 5, 8, 3, 1, 2, 2, 3, 12, 2, 4, 1, 9, 2, 4, 6, 3, 4, 5, 2, 5, 1, 2, 2, 12, 11, 3, 2, 1, 5, 1, 7, 4, 5, 5, 2, 5, 4, 1, 6, 12, 3, 2, 4, 9, 5, 8, 2, 3, 4, 5, 5, 3, 4, 5, 8, 2, 6, 8 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 LINKS MAPLE A166546 := proc(n) option remember; local a; if n = 1 then 1; else for a from procname(n-1)+1 do if isprime(1+numtheory[tau](a)) then return a; end if; end do ; end if; end proc: A166724 := proc(n) numtheory[pi](A166546(n)) ; end proc: A166724 := proc(n) option remember ; numtheory[pi](A166546(n)) ; end proc: A167530 := proc(nmax) ol := 0 ; ct := 1 ; for n from 2 to nmax do if A166724(n) <> ol then printf("%d, ", ct) ; ct := 1 ; else ct := ct+1 ; end if; ol := A166724(n) ; end do ; return ; end proc: A167530(400) ; # R. J. Mathar, Feb 01 2010 CROSSREFS Cf. A166724. Sequence in context: A241856 A278354 A165005 * A205789 A029208 A322592 Adjacent sequences:  A167527 A167528 A167529 * A167531 A167532 A167533 KEYWORD nonn AUTHOR Giovanni Teofilatto, Nov 05 2009 EXTENSIONS Definition corrected by Giovanni Teofilatto, Jan 30 2010 More terms from R. J. Mathar, Feb 01 2010 Name clarified by Jason Kimberley, Aug 09 2018 STATUS approved

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Last modified May 31 06:58 EDT 2020. Contains 334747 sequences. (Running on oeis4.)