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A057106
Numbers n such that n(3n-2) is an octagonal palindrome.
+0
3
1, 2, 52, 6331, 6431, 7341, 7863, 426115, 453486, 1054067, 1054167, 1472746, 2017631, 42687015, 1050553507, 13175129925, 335038979077, 1400295262095, 5847307263801, 51722791547842, 78849864240621, 105802560494387
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Maintained by
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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.
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