0,1
Prime versus probable prime status and proofs are given in the author's table.
C. Caldwell and H. Dubner, "Journal of Recreational Mathematics", Volume 28, No. 1, 1996-97, pp. 1-9.
P. De Geest, PDP Reference Table
a(n)=5 -> (10^5-1)-2*(10^4+1) = 79997.
Cf. A082697 up to A082720.
Adjacent sequences: A082713 A082714 A082715 this_sequence A082717 A082718 A082719
Sequence in context: A048637 A128551 A092330 this_sequence A086859 A100857 A100856
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com), Apr 13 2003.
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