1,2

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.

Alois P. Heinz, Table of n, a(n) for n = 1..70

Row sums of A218905.

Sequence in context: A244396 A182993 A238741 * A170927 A182201 A106331

Adjacent sequences: A218901 A218902 A218903 * A218905 A218906 A218907

nonn

Olivier Gérard, Nov 08 2012

Extended beyond a(20) by Alois P. Heinz, Nov 08 2012

approved