2 3 n 1 4 July 8, 2019 16 32 64 128 2 n 3 )= 4n 1 2 3n 1 4n 1 n 2 3 4 5 6 1 n 2 3 4 5 1 n 2 3 4 5 gear pattern bikes 1 n 2 3 4 5 gear pattern 1 n 2 3 4 5 6 meaning 1 n 2 3 4 5 6 tattoo 1 2 3 4 n =- 1 12 1 2 3 4 n 1 formula 3 n 4 )= 1 2 6n 4 3 n 1 )- 2 4 2n 3 1 2 3 4 n formula proof 1 n 2 3 4 5 6 dövme 3 2 n 1 )= 4n 7
