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A300418
Number of semiprime Fermat pseudoprimes to base 2 (A214305) less than 10^n.
0
0, 0, 1, 11, 34, 107, 312, 882, 2457, 6504, 17206, 46073, 123868, 334567, 915443, 2520503, 7002043, 19604493, 55264235
OFFSET
1,4
LINKS
Aran Nayebi, On the distribution of Carmichael numbers, arXiv preprint arXiv:0906.3533 [math.NT], 2009-2013. But beware of errors!
CROSSREFS
Sequence in context: A063162 A211014 A103661 * A041539 A233933 A041232
KEYWORD
nonn,more
AUTHOR
Amiram Eldar, Mar 05 2018
EXTENSIONS
Corrected and extended by Daniel Suteu, Dec 10 2019
STATUS
approved