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A089286
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Sum of distinct prime factors of floor(pi*10^n), pi=3.14....
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3
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3, 31, 159, 352, 169, 314159, 392701, 10166, 7995, 9787003, 28954814, 157079632681, 68250087, 4349287, 67757089, 1002742628275, 1230782, 1307585156, 14846149, 1296180, 1024025943, 452477425, 1492388104
(list; graph; refs; listen; history; internal format)
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