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A027716
Numbers n such that n^2+n+4 is a palindrome.
+0
2
0, 1, 20, 200, 219, 261, 2000, 2234, 2551, 2613, 20000, 20604, 200000, 202885, 205704, 218354, 2000000, 2155139, 2490266, 2620486
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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 11 12:57 EST 2009. Contains 170656 sequences.
AT&T Labs Research
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