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A115168
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Even numbers n such that n-2 and n+2 have the same number of prime divisors with multiplicity.
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0
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8, 10, 12, 24, 36, 38, 58, 60, 68, 84, 86, 100, 102, 110, 112, 120, 134, 138, 144, 154, 172, 178, 184, 188, 204, 216, 230, 240, 244, 276, 284, 288, 300, 302, 320, 342, 346, 360, 368, 372, 374, 378, 384, 394, 396, 404, 408, 428, 432, 436, 440, 456, 466, 472
(list; graph; refs; listen; history; internal format)
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