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A077431
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n repeated in decimal representation, but separated by enough zeros that the square has the pattern (n^2)(2n^2)(n^2).
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3
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11, 22, 303, 404, 505, 606, 707, 8008, 9009, 10010, 11011, 12012, 13013, 14014, 15015, 16016, 17017, 18018, 19019, 20020, 21021, 22022, 230023, 240024, 250025, 260026, 270027, 280028, 290029, 300030, 310031, 320032, 330033, 340034, 350035
(list; graph; refs; listen; history; internal format)
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