Sept. 18, 2018
September 2018 Puzzle Periodical - The F Sequence
NSA Puzzle Periodical for September 2018: The F Sequence
March 20, 2018
March 2018 Puzzle Periodical - a, b, c - Variable Alphabet Equation
March 2018 NSA Puzzle Periodical - a, b, c - Variable Alphabet Equation by Wendell W.
Nov. 21, 2017
November 2017 Puzzle Periodical - Twisted Sequences
November 2017 Puzzle Periodical - Twisted Sequences; Puzzle created by Wendell W., NSA Mathematician
Aug. 15, 2017
August 2017 Puzzle Periodical - Solar Scramble
April 2017 Puzzle Periodical - What is the Connection?; Puzzle created by Wendell W., NSA Mathematician
June 20, 2017
June 2017 Puzzle Periodical - Solve the Connection
June 2017 Puzzle Periodical - Solve the Connection; Puzzle created by Wendell W., NSA Mathematician
April 18, 2017
April 2017 Puzzle Periodical - What is the Connection?