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(just those submitted by Gupta)
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Just showing those entries submitted by 'Gupta': (Click here to show all)

+ The smallest composite Fibonacci number whose sum of prime factors is a prime. [Gupta]

+ pi(34)= !3 + !4, where !3 and !4 denotes subfactorial 3 and subfactorial 4 respectively. [Gupta]

+ pi(34) = 3!! + 4!!. [Gupta]




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