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A020245 Strong pseudoprimes to base 19. 2
9, 49, 169, 343, 1849, 2353, 2701, 4033, 4681, 6541, 6697, 7957, 9997, 12403, 13213, 13747, 15251, 16531, 18769, 19729, 24761, 30589, 31621, 31861, 32477, 41003, 49771, 63139, 64681, 65161, 66421, 68257, 73555, 96049, 102831, 118957, 129961, 137311 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..752

Index entries for sequences related to pseudoprimes

PROG

(PARI) /* with A001262 */

isA020245(n)={ isStrongPsp(n, 19) }

{ for(n=1, 300000000, if(isA020245(n), print(n) ; ) ; ) ; } /* R. J. Mathar, Mar 07 2012 */

CROSSREFS

Sequence in context: A295019 A164343 A273374 * A082608 A058031 A228212

Adjacent sequences:  A020242 A020243 A020244 * A020246 A020247 A020248

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified June 19 02:43 EDT 2021. Contains 345125 sequences. (Running on oeis4.)