Create a set of numbers with a equatation and 2 diffrent variables

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I need to create a set of numbers which are defined by m in [0..41] and n in [100]. The new created set needs to contain all the numbers which fulfill that condition.

I tried to accomplish that with:

A=[n^2+n+m^2 for n in [1..100] and m in [0..41]]

But Sage takes the and as an bool value not as another condition. can you help me with that?

(First time programming and english is not my mother tongue. Please be pleasefull)

Thanks alot!