OFFSET
1,1
COMMENTS
Each term is 1 modulo 210.
The subset p, 2p-1, 4p-3, 8p-7 is a Cunningham chain of the 2nd kind, cf. A057327.
LINKS
Jeppe Stig Nielsen, Table of n, a(n) for n = 1..50
Wikipedia, Cunningham chain
MATHEMATICA
Select[Prime[Range[387*10^6]], AllTrue[Table[n #-(n-1), {n, 2, 8}], PrimeQ]&] (* Harvey P. Dale, Mar 01 2023 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Jeppe Stig Nielsen, Jul 07 2020
STATUS
approved