Forum:Triangular Number Notation

Introduction to Repeated Triangular Number Notation xTy = triangular number of x repeated y times xTT1 = xTx xTT2 = xTxTx xTTx = x then Tx x times from right to left xTTT1 = xTTx xTTT2 = xTTxTTx x{y}z = x then T y times then z x times from right to left Example: 3{3}3 = 3TTT3TTT3TTT3 3{2}3 = 3TT3TT3TT3 3{3}2 = 3TTT3TTT3 2{3}3 = 2TTT2TTT2TTT2