Puzzling
RobPratt
  • Member for 1 year, 9 months
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About
  • Senior R&D Manager, SAS Institute Inc.
  • Ph.D. in Operations Research, The University of North Carolina at Chapel Hill
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All Questions Answers
Votes Newest
25
A COVID-19 puzzle: How large a class do you need to fit 30 pupils?
May 22 '20
23
What node does 11 point to?
Apr 22 '20
20
Three queens and two rooks covering the chess board... again!
Feb 8
20
A rook's tour of the chessboard
Jan 29 '20
19
How many ways can you find the word DIAMOND in this diamond?
May 26 '20
19
A Rook's Territory in the Chessboard
May 20 '20
16
The Greenhouse Problem
Feb 1
15
Numerical Boggle
Jul 16 '20
14
A Perfect Diamond of Numbers
Sep 16
14
Knights attacking exactly three knights
Mar 10 '20
Top network posts
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53
What is the optimal number of dice to roll a Yahtzee in one roll?
38
What is the closed form of the $f$ with $f(1)=1$, $f(2)=7$ and $f(n)=7f(n-1)-12f(n-2)$ ($n\ge 3$)?
23
Is there a generating function for any finite sequence of random numbers?
19
Listing all posets on 9 points?
19
How to linearize the product of two binary variables?

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