A188755 -id:A188755 - cp's OEIS frontend

A020243 Strong pseudoprimes to base 17.

9, 91, 145, 781, 1111, 2821, 4033, 4187, 5365, 5833, 6697, 7171, 15805, 19729, 21781, 22791, 24211, 26245, 31621, 33001, 33227, 34441, 35371, 38081, 42127, 49771, 71071, 74665, 77293, 78881, 88831, 96433, 97921, 98671, 101101, 102311, 125563, 129493

Offset: 1

David W. Wilson

nonn

R. J. Mathar, Table of n, a(n) for n = 1..748
Index entries for sequences related to pseudoprimes

Superset of A188755.

/* with A001262 */
isA020243(n)={ isStrongPsp(n,17) }
{ for(n=1,300000000,
        if(isA020243(n), print(n) ;) ;
) ;
} /* R. J. Mathar, Mar 07 2012 */

A209395 Strong pseudoprimes to bases 19, 23 and 29.

Original entry on oeis.org

4224533, 5903497, 16462297, 22028203, 44068001, 336273211, 1067437801, 1813073653, 1876485691, 1894909141, 2072488771, 2458231903, 2791053541, 2827961221, 3733646491, 4333572253

Offset: 1

R. J. Mathar, Mar 07 2012

nonn

Intersection of A020245, A020249 and A020255.

Cf. A074773, A188755.

PARI
```
/* see A001262, A020237, A020239 */
```

cp's OEIS Frontend

A020243 Strong pseudoprimes to base 17.

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