Data update

Task/Bell-numbers/PowerShell/bell-numbers.ps1

@@ -0,0 +1,19 @@
+# Bell numbers
+[uint32]$script:MaxN = 14
+$a = [uint32[]]::new($script:MaxN)
+foreach ($i in 0..($script:MaxN - 1)) {
+  $a[$i] = 0
+}
+[uint32]$n = 0
+$a[0] = 1
+[string]$row = "B({0, 2}) = {1,9}" -f $n, $a[0]
+Write-Output $row
+while ($n -lt $script:MaxN) {
+  $a[$n] = $a[0]
+  foreach ($j in $n..1) {
+    $a[$j - 1] += $a[$j]
+  }
+  $n++
+  [string]$row = "B({0, 2}) = {1,9}" -f $n, $a[0]
+  Write-Output $row
+}