Data update

Task/Ultra-useful-primes/Craft-Basic/ultra-useful-primes.basic

@@ -0,0 +1,14 @@
+for n = 1 to 10
+
+	let k = -1
+
+	do
+
+		let k = k + 2
+		wait
+
+	loop prime(2 ^ (2 ^ n) - k) = 0
+
+	print "n = ", n, " k = ", k
+
+next n

Task/Ultra-useful-primes/Python/ultra-useful-primes.py

@@ -0,0 +1,15 @@
+# useful.py by xing216
+from gmpy2 import is_prime
+def useful(n):
+    k = 1
+    is_useful = False
+    while is_useful == False:
+        if is_prime(2**(2**n) - k):
+            is_useful = True
+            break
+        k += 2
+    return k
+if __name__ == "__main__":
+    print("n | k")
+    for i in range(1,14):
+        print(f"{i:<4}{useful(i)}")