The OEIS is looking to hire part-time people to help edit core sequences, upload scanned documents, process citations, fix broken links, etc. - Neil Sloane, njasloane@gmail.com
1,1
Some of the larger terms may only correspond to probable primes.
a(10) > 10^5. - Robert Price, Jun 04 2013
Table of n, a(n) for n=1..9.
H. Dubner and T. Granlund, Primes of the Form (b^n+1)/(b+1), J. Integer Sequences, 3 (2000), #P00.2.7.
Sequence in context: A234799 A036295 A132201 * A072580 A186640 A226242
Adjacent sequences: A057186 A057187 A057188 * A057190 A057191 A057192
nonn
N. J. A. Sloane, Sep 15 2000
a(7)-a(9) from Robert Price, Jun 04 2013
approved