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A032789
n(n+1)(n+2) / n+(n+1)+(n+2) is a palindrome.
+0
2
0, 1, 3, 4, 9, 21, 42, 99, 154, 237, 405, 999, 9999, 18991, 19291, 22021, 23587, 40293, 45072, 99999, 137652, 999999, 1278343, 1360456, 3162199, 3162499, 4029705, 4365396, 4418236, 6052891, 9999999
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Maintained by
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Last modified December 17 19:39 EST 2009. Contains 170821 sequences.
AT&T Labs Research
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