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A077786
Palindromic wing primes (a.k.a. near-repdigit palindromes) of the form (10^a(n)-1)-4*10^[ a(n)/2 ].
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177, 225, 397, 1245, 8457, 20105
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Maintained by
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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.
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