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A036041 Number of prime divisors, counted with multiplicity, of prime signature A025487(n); equals size of associated partition. 9

%I #24 Nov 28 2014 22:48:32

%S 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,

%T 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,

%U 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

%N Number of prime divisors, counted with multiplicity, of prime signature A025487(n); equals size of associated partition.

%H Álvar Ibeas, <a href="/A036041/b036041.txt">Table of n, a(n) for n = 1..10000</a>

%F a(n) = A001222(A025487(n)) = A001222(A181822(n)).

%e a(3) = 2 since A025487(3) = 4 = 2*2; a(5) = 3 since A025487(5) = 8 = 2*2*2; ...

%Y Cf. A025487, A000041, A035796, A036042, A001222.

%K easy,nonn

%O 1,3

%A _Alford Arnold_

%E More terms from _Henry Bottomley_, Apr 30 2001

%E Edited to accommodate change in A025487's offset by _Matthew Vandermast_, Nov 08 2008

%E Definition corrected by _Álvar Ibeas_, Nov 01 2014

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Last modified April 24 19:39 EDT 2024. Contains 371963 sequences. (Running on oeis4.)