Problem 45364. Sum of series

 a(n) = n^2 - (n-1)^2

   a(1)+a(2)+...+a(n)

Solution Comments

Problem Recent Solvers1070

Suggested Problems

• Triangle Numbers

  28842 Solvers

• Given an unsigned integer x, find the largest y by rearranging the bits in x

  1897 Solvers

• Squaring Matrix

  678 Solvers

• Plot Damped Sinusoid

  9520 Solvers

• Find Logic 12

  297 Solvers

More from this Author174

• Checkmate-02

  8 Solvers

• Greater than before

  13 Solvers

• check whether a number is a pentatope number

  61 Solvers

• Minimal Path - 02

  11 Solvers

• ZigZag - 05

  19 Solvers