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 A036041 Number of prime divisors, counted with multiplicity, of prime signature A025487(n); equals size of associated partition. 9
 0, 1, 2, 2, 3, 3, 4, 4, 3, 5, 4, 5, 4, 6, 5, 6, 5, 7, 6, 5, 7, 4, 6, 6, 8, 7, 6, 8, 5, 7, 7, 9, 8, 7, 9, 6, 8, 6, 8, 10, 7, 9, 6, 8, 8, 10, 7, 9, 7, 9, 11, 8, 10, 5, 7, 9, 9, 11, 8, 10, 8, 10, 12, 9, 11, 6, 8, 10, 8, 10, 12, 7, 9, 9, 11, 9, 8, 11, 10, 13, 10, 12, 7, 9, 11, 9, 11, 13, 8, 10, 10, 12 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Álvar Ibeas, Table of n, a(n) for n = 1..10000 FORMULA a(n) = A001222(A025487(n)) = A001222(A181822(n)). EXAMPLE a(3) = 2 since A025487(3) = 4 = 2*2; a(5) = 3 since A025487(5) = 8 = 2*2*2; ... CROSSREFS Cf. A025487, A000041, A035796, A036042, A001222. Sequence in context: A329907 A329958 A309969 * A252759 A085654 A074719 Adjacent sequences:  A036038 A036039 A036040 * A036042 A036043 A036044 KEYWORD easy,nonn AUTHOR EXTENSIONS More terms from Henry Bottomley, Apr 30 2001 Edited to accommodate change in A025487's offset by Matthew Vandermast, Nov 08 2008 Definition corrected by Álvar Ibeas, Nov 01 2014 STATUS approved

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Last modified April 5 23:05 EDT 2020. Contains 333260 sequences. (Running on oeis4.)