Mathematics, 18.11.2019 18:31 mooncake9090

Afour by four grid of unit squares contains squares of various sizes (1 by 1 through 4 by 4), each of which are formed entirely from squares in the grid. in each of the 16 unit squares, write the number of squares that contain it. for instance, the middle numbers in the top row are 6s because they are each contained in one 11 square, two 22, two 33, and of course the one 44.
what is the sum of all sixteen numbers written in this grid?
how about a ten by ten grid?

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