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Freddy Barrera's user avatar
Freddy Barrera's user avatar
Freddy Barrera's user avatar
Freddy Barrera
  • Member for 7 years, 2 months
  • Last seen this week
  • Bogotá, Colombia
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5
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About

Computer programmer.

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18
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6
Posts
55
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17
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4
Posts
36
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13
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4
Posts
36
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9
Score
4
Posts
36
Posts %
6
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1
Posts
9
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1
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2
Posts
18
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Top posts
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14
Primes in a Diamond
May 5, 2019
13
Crosses and Circles
Nov 30, 2018
7
More Crosses and Circles
Oct 29, 2019
6
Aces, twos, threes, and fours in a row
Dec 3, 2019
5
A mystery partition of 100
May 15, 2017
5
Cross-number of two, three and four-digit numbers
May 3, 2019
5
Divisibility Graph
Nov 8, 2021
4
The Magic Letter H
Nov 23, 2018
3
Seventeen positive integers
Jul 27, 2020
1
A partition of 79633 into thirteen parts [duplicate]
Feb 22, 2019
Top network posts
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15
A labelling of the vertices of the Petersen graph with integers
13
Tiling a square with rectangles whose areas or perimeters are 1, 2, 3, ..., N
9
Playing Doublets with the Primes
6
Perfect Runs of Consecutive Integers