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A106245 Number of partitions into powers of distinct primes. 1

%I #5 May 10 2013 12:45:42

%S 1,1,2,2,3,2,3,5,5,5,6,7,7,8,8,12,12,12,14,15,17,18,20,23,25,25,29,32,

%T 35,36,38,44,46,48,54,60,62,62,68,77,82,86,92,97,103,109,119,131,135,

%U 138,147,161,174,182,191,201,210,223,242,260,268,273,288,315,336,354

%N Number of partitions into powers of distinct primes.

%F a(n) = A051613(n-1)+A051613(n). - _Vladeta Jovovic_, Apr 28 2005

%e a(12) = #{11+1,3^2+2+1,2^3+3+1,7+5,7+2^2+1,7+3+2,5+2^2+3} =

%e 7.

%Y Cf. A106244, A051613, A000961.

%K nonn

%O 1,3

%A _Reinhard Zumkeller_, Apr 26 2005

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Last modified May 16 15:45 EDT 2024. Contains 372554 sequences. (Running on oeis4.)