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 A061716 Binary order of n-th prime. 1
 1, 2, 3, 3, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Apart from the first terms, the same as A035100. [From R. J. Mathar, Oct 02 2008] LINKS Harry J. Smith, Table of n, a(n) for n=1,...,2000 FORMULA a(n)=Ceiling[Log[2, Prime[n]]]=A029837(A000040(n)). PROG (PARI) { default(realprecision, 100); n=0; t=1/log(2); forprime (p=2, prime(2000), write("b061716.txt", n++, " ", ceil(t*log(p))) ) } [From Harry J. Smith, Jul 26 2009] CROSSREFS Cf. A029837, A000040, A003070, A045716, A045716, A036378. Sequence in context: A056792 A130500 A072073 * A126236 A198194 A073047 Adjacent sequences:  A061713 A061714 A061715 * A061717 A061718 A061719 KEYWORD nonn AUTHOR Labos E. (labos(AT)ana.sote.hu), Jun 20 2001 EXTENSIONS OFFSET changed from 0,2 to 1,2 by Harry J. Smith, Jul 26 2009 STATUS approved

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