How do I draw a flowchart to evaluate the series p = 1 + 2 * 1 + 3 * 2 + 4 * 3 + ... + n * -LRB- n-1 -RRB- ?
How do you solve 2 ^ -LRB- n-1 -RRB- = -LRB- n ^ 4-6n ^ 3 +23 n ^ 2-18n +24 -RRB- / 24 analytically ?