A new puzzle every Saturday. Solutions one week later.

>>>>Basic Stats<<<<
June-
10-2023
1306 weeks, 1336 pages & 9142 days
25 years + 18 days
since
May-23-1998

Thanks to you all, puzzlers of these pages, during all these 25 years.


>>>>Puzzlers Statistics<<<<
(updated on May 1, 2021)

Puzzle of the week

Puzzle 1134 F(n)=|(2^n-1)/(2n+1)|

Curios by CR in Prime Curios!
(updated on April 30, 2021)

Latest ten news

No.

Date Puzzle about

Solvers

10 June-9-23 Puzzle 61, Puzzle 63 & Puzzle 1130

Puzzle 1133

Giorgos Kalogeropoulos
Giorgos Kalogeropoulos>
Giorgos Kalogeropoulos

Miguel Pineda Martín

9 May-26-23 Puzzle 1132 Michael Branicky, Giorgos Kalogeropoulos, Michael Hürter, Alessandro Casini, Claudio Meller, JM Rebert, Adam Stinchcombe, Emmanuel Vantieghem.
8 May-19-23 Puzzle 1131 Alessandro Casini, Mauro Fiorentini
7 May-12-23 Puzzle 1130 Alessandro Casini, JM Rebert, Emmanuel Vantieghem, Oscar Volpatti
6 May- 5-23- Puzzle 1129

Conjecture 98

Emmanuel Vantieghem, Adam Stinchcombe and  Oscar Volpatti

Alessandro Casini

5 April 28-23 Conjecture 59

Conjecture 98

J. R. Howell

Alessandro Casini, J. R. Howell, Fred Schneider, Adam Stinchcombe, Emmanuel Vantieghem, Oscar Volpatti

4 April-21-23 Conjecture 59

Puzzle 1107

Alexander R. Povolotsky

Oscar Volpatti

3 April-14-23 Puzzle 1127 & Puzzle 1128

Problem 67

Michael Branicky, Oscar Volpatti

Jaroslaw Wroblewski

2 April-7-23 Puzzle 1127 Michael Branicky, Oscar Volpatti
1 March-31-23 Conjecture 97 Emmanuel Vantieghem, Oscar Volpatti

 


These pages will be updated every Saturday morning -- Last Modified on: Friday, 09-Jun-2023 16:54:45 MST

"Many thanks to Martha Rivera, Miguel H. Rivera and  G. L. Honaker, Jr. for reviewing and correcting the  very first version of these pages, dated on May 23, 1998 "

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