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A057795
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Sum k!, where sum is over positive integers k <= n with GCD(k,n) = 1.
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0
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1, 1, 3, 7, 33, 121, 873, 5167, 45507, 367927, 4037913, 39921961, 522956313, 6267300607, 93445274187, 1313941673647, 22324392524313, 355693695038761, 6780385526348313, 122000794104233527, 2554923725074062867
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