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A027717
Palindromes of form n^2+n+4.
+0
2
4, 6, 424, 40204, 48184, 68386, 4002004, 4992994, 6510156, 6830386, 400020004, 424545424, 40000200004, 41162526114, 42314341324, 47678687674, 4000002000004, 4644626264464, 6201427241026
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.
AT&T Labs Research
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