A020239 Strong pseudoprimes to base 13.

85, 1099, 5149, 7107, 8911, 9637, 13019, 14491, 17803, 19757, 20881, 22177, 23521, 26521, 35371, 44173, 45629, 54097, 56033, 57205, 75241, 83333, 85285, 86347, 102719, 110309, 153401, 184339, 191959, 222529, 242845, 253021, 253927, 269861

Offset: 1

Author

David W. Wilson

Keywords

• nonn

Links

• R. J. Mathar, Table of n, a(n) for n = 1..668
• Index entries for sequences related to pseudoprimes

Programs

PARI

/* insert A001262 code here */
isA020239(n)={
        isStrongPsp(n,13)
}
{
for(n=1,10000000000, if(isA020239(n), print(n) ;) ;) ;
} /* R. J. Mathar, Mar 07 2012 */