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A068188
Tetradic primes (primes in
A006072
).
+0
5
11, 101, 181, 18181, 1008001, 1180811, 1880881, 1881881, 100111001, 100888001, 108101801, 110111011, 111010111, 111181111, 118818811, 180101081, 181111181, 181888181, 188010881, 188888881, 10008180001, 10081818001
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.
AT&T Labs Research
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