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Table of n, a(n) for n=1..20.
S. Harvey, Carol and Kynea Primes.
(PARI) is(n)=ispseudoprime((6^n-1)^2-2) \\ Charles R Greathouse IV, Feb 19 2016
Sequence in context: A210619 A095036 A290379 * A004791 A220946 A243795
Adjacent sequences: A100898 A100899 A100900 * A100902 A100903 A100904
Ray Chandler, Nov 21 2004