OFFSET
2,1
COMMENTS
Conjecture: a(n) > A006931(n) for every n > 2.
a(6)-a(8) derived from Feitsma's tables of pseudoprimes. a(9) > 2^64. - Giovanni Resta, Jul 19 2018
From Daniel Suteu, Jun 08 2020: (Start)
a(9) <= 521957994426556057126261,
a(10) <= 1315856103949347820015303981,
a(11) <= 6357507186189933506573017225316941,
a(12) <= 77822245466150976053960303855104674781. (End)
LINKS
Jan Feitsma and William Galway, Tables of pseudoprimes and related data
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Thomas Ordowski, Jul 16 2018
EXTENSIONS
More terms from Michel Marcus, Jul 16 2018
a(6)-a(8) from Giovanni Resta, Jul 19 2018
STATUS
approved