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A078258
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a(n) = numerator(N), where N = 0.123...n (concatenation of 1 to n after decimal point).
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1
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1, 3, 123, 617, 2469, 1929, 1234567, 6172839, 123456789, 1234567891, 1234567891011, 15432098637639, 12345678910111213, 617283945505560657, 24691357820222426283, 3086419727527803285379, 1234567891011121314151617
(list; graph; refs; listen; history; internal format)
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