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A028414
Palindromes of form n^2+(n+1).
+0
3
1, 3, 7, 111, 343, 757, 10101, 15751, 30103, 1001001, 1255521, 1403041, 1837381, 3372733, 3521253, 3847483, 100010001, 141979141, 10000100001, 14181118141, 16112621161, 35297579253, 35475157453, 37011411073
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.
AT&T Labs Research
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