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Hugo van der Sanden's user avatar
Hugo van der Sanden's user avatar
Hugo van der Sanden's user avatar
Hugo van der Sanden
  • Member for 13 years
  • Last seen more than a month ago
  • London, United Kingdom
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5
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1
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About

I am a professional programmer, and a recreational mathematician with particular interest in Number Theory.

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Top posts
All Questions Answers
Score Newest
answer
16
What's the simplest rational not expressible as a sum of a given number of unit fractions?
Sep 14, 2010
answer
12
Diophantine equation: Egyptian fraction representations of 1
Jun 12, 2010
answer
11
A balls-and-colours problem
Oct 13, 2010
question
5
Are there primes p, q such that p^4+1 = 2q^2 ?
May 14, 2010
answer
3
How to characterize a Self-avoiding path.
Oct 10, 2010
answer
1
other examples of composition of functions
Jun 9, 2010
Top Meta posts
1
0
22
Should OEIS links be updated?
Top network posts
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39
Proof that an integral domain that is a finite-dimensional $F$-vector space is in fact a field
11
Is a red-black tree my ideal data structure?
10
Stepping through all permutations one swap at a time
10
Extend the most recent "nice" OEIS sequence: stepping stone puzzle on a grid
5
Stepping through all permutations one swap at a time

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