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
  • Last seen this week
16 votes
1 answer
508 views

An Amazing Configuration

11 votes
0 answers
190 views

The Snake and the Hunter

4 votes
2 answers
188 views

Strings of Kind Numbers

9 votes
3 answers
428 views

The Kyiv Triangle Game

11 votes
3 answers
1k views

Another Colombian Sudoku

11 votes
1 answer
403 views

One more Colombian Sudoku

3 votes
2 answers
193 views

Tatiana thinks of two numbers

10 votes
1 answer
914 views

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

6 votes
1 answer
315 views

Sudokus with no 3-term arithmetic progressions within

6 votes
2 answers
333 views

While 2024 arrives

15 votes
2 answers
1k views

Colombian Sudoku

15 votes
1 answer
1k views

Yet another Colombian Sudoku

6 votes
4 answers
2k views

A Prime Ant's Excursion in the Cartesian Plane

15 votes
3 answers
1k views

Primeable numbers

10 votes
1 answer
1k views

Villeta's Soup of Primes

7 votes
1 answer
217 views

Prime Boggle Game

5 votes
2 answers
1k views

Number of 1's needed to write all primes up to P

6 votes
1 answer
253 views

Self-numbers and repunits

5 votes
2 answers
824 views

Super Star Numbers

13 votes
4 answers
2k views

A Magic Super Star

35 votes
5 answers
3k views

A Queen and her Pawns

12 votes
8 answers
3k views

Four ones and four zeros

6 votes
2 answers
1k views

499 and the Gamma Function

4 votes
1 answer
897 views

The "Slightly Spooky Sequence" Game

12 votes
2 answers
1k views

Introducing S-sequences: which is the shortest to contain all integers 1 to 20?

12 votes
6 answers
1k views

Twenty-four coins

10 votes
1 answer
1k views

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

5 votes
1 answer
836 views

Happy 2023 to all

3 votes
3 answers
484 views

One million positive integers [closed]

7 votes
1 answer
1k views

Find the carpets

1
2 3 4 5
7