14 by 14 grid are there which do not cross the railroad tracks, but which visit the diagonal after 6 steps and after 20 steps (a
14 by 14 grid are there which do not cross the railroad tracks, but which visit the diagonal after 6 steps and after 20 steps (a
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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How many blockwalks on a 14 by 14 grid are there which do not cross the railroad tracks, but which visit the diagonal after 6 steps and after 20 steps (and perhaps elsewhere)?
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