Magic squares of doubly even order: Difference between revisions

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@@ Line 425: / Line 425: @@
         // truthSeries :: Int -> [Int]
         const truthSeries = n => {
-            if (n <= 1) return [true, false];
+            if (n <= 0) return [true];
             const xs = truthSeries(n - 1);
             return xs.concat(xs.map(x => !x));