A019318 ? (Sorry - figured it out.)

[Vladeta]

In fact, there are such sequences in the EIS:  A054252 and A014409.

Regards,
Vladeta Jovovic

_______________

> On Tue, 27 May 2003, Brendan McKay wrote:
> 
> > It should be a piece of cake to find an exact formula using
> > Burnside's Lemma, but I'll give someone else the pleasure.
> 
>   The encyclopedia entry for this sequence includes a link in
> which the author does exactly this. In fact, he states Burnside's
> gives the number of (inequivalent) ways of picking K items from an\
> N by N box, which I think should produce other worthy sequences for 
> various values of K besides K=N.
> 
> Jim
> 
>