Download or view GelfandsQuestion.frink in plain text format
// Solver for "Gelfand'sQuestion"
// http://mathworld.wolfram.com/GelfandsQuestion.html
n=1
a = new array
while true
{
a@0 = left[toString[2^n], 1]
a@1 = left[toString[3^n], 1]
a@2 = left[toString[4^n], 1]
a@3 = left[toString[5^n], 1]
a@4 = left[toString[6^n], 1]
a@5 = left[toString[7^n], 1]
a@6 = left[toString[8^n], 1]
a@7 = left[toString[9^n], 1]
j = join["", a]
if j == "23456789"
println["**** $n $j"]
if length[toSet[a]] == 1
println["**** $n $j"]
n = n + 1
if n mod 10000 == 0
println[n]
}
Download or view GelfandsQuestion.frink in plain text format
This is a program written in the programming language Frink.
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Alan Eliasen was born 20218 days, 0 hours, 15 minutes ago.