Problem 45833. Triangle Numbers (★★)

 6 = 1 + 2 + 3

      *
     * *
    * * * 

 Input  n = 4
 Output t is 10

Solution Comments

Problem Recent Solvers93

Suggested Problems

• We love vectorized solutions. Problem 1 : remove the row average.

  884 Solvers

• Is the input divisible by 3?

  607 Solvers

• Matlab Basics II - Count rows in a matrix

  405 Solvers

• multiply an array by its position number

  112 Solvers

• Draw 'D'.

  1032 Solvers

More from this Author52

• Create a vector of n alternating ones and zeros (★★)

  114 Solvers

• How to locate the position of an element in a vector without using the find function

  43 Solvers

• Approximate functions 2 (★★★★)

  28 Solvers

• Mo money, mo math #2! (★★★)

  42 Solvers

• Replicate elements in vectors (★★★)

  60 Solvers