( A000081[ n ] is prime )
David Broadhurst
D.Broadhurst at open.ac.uk
Fri Nov 12 06:56:40 CET 1999
( A000081[ n ] is prime ) continues
3, 10, 15, 343, 387, 1087, 2981
with A000081[ 2981 ] = O(10^1400) probably prime
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