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A218904 Sum of the sizes of the kernels of all integer partitions of n. 5
1, 2, 5, 12, 21, 40, 65, 108, 170, 264, 392, 590, 847, 1222, 1720, 2418, 3323, 4574, 6180, 8350, 11124, 14790, 19443, 25532, 33186, 43052, 55418, 71170, 90769, 115542, 146164, 184520, 231743, 290396, 362245, 450950, 559035, 691624, 852583, 1048870, 1286109 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
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.
LINKS
CROSSREFS
Row sums of A218905.
Sequence in context: A244396 A182993 A238741 * A353220 A170927 A182201
KEYWORD
nonn
AUTHOR
Olivier Gérard, Nov 08 2012
EXTENSIONS
Extended beyond a(20) by Alois P. Heinz, Nov 08 2012
STATUS
approved

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Last modified May 20 03:01 EDT 2024. Contains 372703 sequences. (Running on oeis4.)