login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A020326
Strong pseudoprimes to base 100.
1
9, 33, 91, 99, 259, 451, 481, 703, 1729, 2821, 2981, 3367, 4187, 5461, 6533, 6541, 6601, 7107, 7471, 8149, 8401, 8911, 10001, 11111, 12403, 13981, 14911, 15211, 19201, 19503, 21931, 23661, 24013, 24661, 38503, 41041, 45527, 50851, 51291, 57181, 63139
OFFSET
1,1
CROSSREFS
Sequence in context: A146188 A020228 A005939 * A201024 A228170 A112888
KEYWORD
nonn
STATUS
approved