Problem 291. Triangle Numbers Below N

 6 = 1 + 2 + 3

      *
     * *
    * * * 

Solution Comments

Problem Recent Solvers238

Suggested Problems

• Cell joiner

  7510 Solvers

• Find the two-word state names

  1223 Solvers

• Remove the polynomials that have positive real elements of their roots.

  1743 Solvers

• Project Euler: Problem 8, Find largest product in a large string of numbers

  1327 Solvers

• Is this triangle right-angled?

  6564 Solvers

More from this Author56

• Make an N-dimensional Multiplication Table

  141 Solvers

• N-Cards Problem

  157 Solvers

• Next Higher Power of B

  151 Solvers

• Reverse the Words (not letters) of a String

  476 Solvers

• Guess the Coefficients!

  36 Solvers