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Bernardo Recamán Santos's user avatar
Bernardo Recamán Santos's user avatar
Bernardo Recamán Santos's user avatar
Bernardo Recamán Santos
  • Member for 8 years, 4 months
  • Last seen this week
11 votes
2 answers
1k views

Splitting the Primes

11 votes
5 answers
3k views

Aces, twos, threes, and fours in a row

11 votes
3 answers
1k views

Another Colombian Sudoku

11 votes
2 answers
1k views

Winning the Lottery

11 votes
4 answers
3k views

A Magic Diamond

11 votes
3 answers
3k views

Four Marathon Runners

11 votes
1 answer
1k views

A game with numbered cards

11 votes
1 answer
453 views

One more Colombian Sudoku

11 votes
2 answers
1k views

Today is a prime!

11 votes
1 answer
1k views

Numbers whose product of digits is a multiple of sum of digits

11 votes
5 answers
3k views

Lucas buys five items at a store

10 votes
3 answers
3k views

Covering a large room with 55 carpets

10 votes
1 answer
171 views

The Bogotá Marathon

10 votes
1 answer
1k views

What is the earliest 2024 can appear in an S-sequence?

10 votes
1 answer
1k views

Villeta's Soup of Primes

10 votes
3 answers
1k views

A unique partition of 200 into 6 parts

10 votes
2 answers
1k views

Looking for another partition of 100

10 votes
1 answer
1k views

Labelling a graph with a partition of 100

10 votes
2 answers
1k views

A Magic Flying Saucer

10 votes
4 answers
1k views

The Football Squad

10 votes
3 answers
1k views

The Royal Mint of Alphagonia

10 votes
2 answers
1k views

National Graph Lottery

10 votes
6 answers
3k views

Longest word worth at most a million

10 votes
1 answer
1k views

Zero, One, Two, Three, etc

10 votes
5 answers
1k views

Divisible Dates

10 votes
2 answers
1k views

Splitting the Integers

10 votes
1 answer
1k views

Connect the dots to form a polygon

10 votes
2 answers
1k views

Two football teams

10 votes
1 answer
199 views

Interchanging knights and rooks... again!

10 votes
2 answers
1k views

Sixteen chess pieces on a square board

1 2
3
4 5
7