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A218904 Sum of the sizes of the kernels of all integer partitions of n. 5


%S 1,2,5,12,21,40,65,108,170,264,392,590,847,1222,1720,2418,3323,4574,

%T 6180,8350,11124,14790,19443,25532,33186,43052,55418,71170,90769,

%U 115542,146164,184520,231743,290396,362245,450950,559035,691624,852583,1048870,1286109

%N Sum of the sizes of the kernels of all integer partitions of n.

%C The kernel of an integer partition is the intersection of its Ferrers diagram and of the Ferrers diagram of its conjugate. It includes the Durfee square, which is the largest square fitting into the kernel.

%H Alois P. Heinz, <a href="/A218904/b218904.txt">Table of n, a(n) for n = 1..70</a>

%Y Row sums of A218905.

%K nonn

%O 1,2

%A _Olivier GĂ©rard_, Nov 08 2012

%E Extended beyond a(20) by _Alois P. Heinz_, Nov 08 2012

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Last modified October 24 02:02 EDT 2021. Contains 348217 sequences. (Running on oeis4.)