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A027721
Palindromes of form n^2+n+6.
+0
2
6, 8, 606, 656, 818, 83238, 6177716, 6505056, 8343438, 8681868, 834545438, 21543634512, 69872727896, 83456565438, 85425552458, 8032131312308, 8255470745528, 8345676765438, 8716172716178, 8766434346678
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 16 13:01 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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