Blum integer: Difference between revisions
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→{{header|Julia}}
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Same as Wren example.
</pre>
=={{header|Julia}}==
<syntaxhighlight lang="julia">using Formatting, Primes
function isblum(n)
pe = factor(n).pe
i = length(pe)
return i == 2 && all(p -> p[2] == 1 && p[1] % 4 == 3, pe)
end
const blum400k = @view (filter(isblum, 1:9_000_000))[1:400_000]
println("First 50 Blum integers:")
foreach(p -> print(rpad(p[2], 4), p[1] % 10 == 0 ? "\n" : ""), enumerate(blum400k[1:50]))
for idx in [26_828, 100_000, 200_000, 300_000, 400_000]
println("\nThe $(format(idx, commas = true))th Blum number is ",
format(blum400k[idx], commas = true), ".")
end
println("\n% distribution of the first 400,000 Blum integers is:")
for d in [1, 3, 7, 9]
println(lpad(round(count(x -> x % 10 == d, blum400k) / 4000, digits=3), 8), "% end in $d")
end
</syntaxhighlight>{{out}} Same as Wren, Go, etc
=={{header|Wren}}==
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