How many Young diagrams with length of at most $p$ rows and $q$ columns

67 Views Asked by At

How many Young diagrams are there with length of at most $p$ rows and $q$ columns, without restrictions on the weight of the diagrams?

The previous 2 questions asked for

  1. Total number of Young diagrams with weight 6 and

  2. Total number of Young diagrams with weight 7, excluding diagrams with more than 3 rows.

The answers I got are 1) 11 and 2) 8,

By counting the number of partitions of the integers 6 and 7 respectively, and subtracting $7, 6+1, 5+2, 5+1+1, 4+3, 4+2+1, 4+1+1+1$ from all partitions of 7.

However, I have no idea how to do that with unspecified weight, and taking into account the question details.

Notice the question is talking about Young diagrams, as opposed to Young tableaux.