This author (Three2001) said:
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Another interesting piece of info is that a combination of numbers picked within the last 45 days will repeat in ANY order about once in every 4 to 5 draws. That is, if 123 came in within the last 45 draws, there's a possibility that it could come in again but as, for example, 321. Of course, playing 45 previous numbers might be too many. Maybe you could remove those that already repeated, approximately 10 or so on average. Then maybe you could leave out doubles as non-doubles would have a better chance to repeat because of the number of combinations (6 to 3). But that's not to say that doubles don't repeat, they do. Rarely does a pick within the last 5, let's say, repeat so soon, so that's 5 more that could be removed from your list.
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I 'll try Pa. lottery...using the last 46 picks from 2/7/16
112 500 560 308 300 489 522 486 155 598 402 917 316 302 980 397 585 228 898 238 653 011 375
623 336 514 718 333 237 182 579 021 224 637 578 356 867 793 359 038 567 559 394 450 453 440
These were the repeats
308(038) 397(793) 653(356)
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Remove those that already repeated..you have
Tier 1
112 500 560 300 489 522 486 155 598 402 917 316 302 980 585 228 898 238 011 375 623 336 514 718 333 237 182 579 021 224 637 578 867 359 567 559 394 450 453 440
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Non-doubles would have a better chance to repeat
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560 489 486 598 402 917 316 302 980 238 375 623 514 718 237 182 579 021 637 578 867 359 567 394 450 453
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I think 237, 302, or 375 could repeat
Also...238..637..578..579..567
Long out digits (now in Pa.8-7-2) could assist