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A320593 Number of partitions of n with five parts in which no part occurs more than twice. 2

%I

%S 1,2,3,5,8,11,16,21,28,36,46,57,71,86,104,124,148,173,203,235,272,312,

%T 357,405,460,518,583,652,729,810,900,995,1099,1209,1329,1455,1593,

%U 1737,1893,2057,2234,2419,2618,2826,3049,3282,3531,3790,4067,4355,4661,4980

%N Number of partitions of n with five parts in which no part occurs more than twice.

%H Alois P. Heinz, <a href="/A320593/b320593.txt">Table of n, a(n) for n = 9..10000</a>

%F G.f.: (x^5-x-1)*x^9/((x^2+x+1)*(x^4+x^3+x^2+x+1)*(x^2+1)*(x+1)^2*(x-1)^5).

%Y Column k=5 of A209318.

%K nonn,easy

%O 9,2

%A _Alois P. Heinz_, Oct 16 2018

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Last modified November 18 17:45 EST 2019. Contains 329287 sequences. (Running on oeis4.)