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A087489
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Primes n such that 3^n-2^n is composite.
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1
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7, 11, 13, 19, 23, 37, 41, 43, 47, 61, 67, 71, 73, 79, 83, 89, 97, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 281, 283, 293, 307, 311, 313, 317
(list; graph; refs; listen; history; internal format)
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