1 2 4 7 pattern rule July 8, 2019 16 32 64 128 1 2 4 7 11 pattern rule 1 2 4 7 11 pattern rule formula 1 2 4 7 11 pattern rule worksheet 7 - 1 pattern 1 + 2 + 3 + 4 pattern 1 2 4 7 pattern