|
|
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
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|