Smallest square that begins with n: Difference between revisions
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484 is 22²
49 is 7²
</pre>
=={{header|JavaScript}}==
{{Trans|Julia}}
<syntaxhighlight lang="javascript">
{ // find the smallest square that begins with n for n in 1..49
'use strict'
const smsq = function( n ) {
let results = [], found = 0, square = 1, delta = 3
while( found < n ) {
let k = square
while( k > 0 ) {
if( k <= n && results[ k ] == null ) {
results[ k ] = square
found += 1
}
k = Math.floor( k / 10 )
}
square = square + delta
delta = delta + 2
}
return results
} // smsq
const seq = smsq( 49 )
let out = ""
for( let i = 1; i < seq.length; i ++ ) {
out += seq[ i ].toString().padStart( 6 )
if( i % 10 == 0 ){ out += "\n" }
}
console.log( out )
}
</syntaxhighlight>
{{out}}
<pre>
1 25 36 4 529 64 729 81 9 100
1156 121 1369 144 1521 16 1764 1849 196 2025
2116 225 2304 2401 25 2601 2704 289 2916 3025
3136 324 3364 3481 35344 36 3721 3844 3969 400
41209 4225 4356 441 45369 4624 4761 484 49
</pre>
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