I was going to say the same. looks like you're corrected it to 128 instead of 256, though.

easy way to figure it out: each new column is the previous multiplied by the base. 1*16=16, 16*16=256

I was going to say the same. looks like you're corrected it to 128 instead of 256, though.

easy way to figure it out: each new column is the previous multiplied by the base. 1*16=16, 16*16=256