login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
A020238
Strong pseudoprimes to base 12.
2
91, 133, 145, 247, 1649, 1729, 2821, 8911, 9073, 10585, 13051, 13333, 16471, 19517, 20737, 21361, 24013, 24727, 26467, 29539, 31483, 31621, 34219, 34861, 35881, 38311, 38503, 40321, 53083, 67861, 79381, 79501, 88831, 97351, 115231, 121301, 131977
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
LINKS
Amiram Eldar,
Table of n, a(n) for n = 1..10000
(terms 1..210 from R. J. Mathar)
Index entries for sequences related to pseudoprimes
CROSSREFS
Cf.
A020140
,
A001262
(base 2),
A020229
(base 3),
A020230
,
A020231
,
A020232
,
A020233
,
A020234
,
A020235
,
A020236
,
A020237
.
Sequence in context:
A020235
A046427
A179338
*
A220171
A353062
A260974
Adjacent sequences:
A020235
A020236
A020237
*
A020239
A020240
A020241
KEYWORD
nonn
AUTHOR
David W. Wilson
STATUS
approved
