Problem 44360. Pentagonal Numbers

Suggested Problems

• Remove all the words that end with "ain"

  2418 Solvers

• It dseon't mettar waht oedrr the lrettes in a wrod are.

  1918 Solvers

• Reindex a vector

  713 Solvers

• Matrix with different incremental runs

  528 Solvers

• Perimeter of a semicircle

  1593 Solvers

More from this Author139

• Divisible by n, prime divisors from 20 to 200

  65 Solvers

• Cycling — Normalized Power

  40 Solvers

• Not square-free number sequence

  66 Solvers

• Calculator spelling - Letters to Numbers

  51 Solvers

• Scrabble Scores - 4

  31 Solvers