OFFSET
1,1
LINKS
Jason Bard, Table of n, a(n) for n = 1..10000
James Maynard and Brady Haran, Primes without a 7, Numberphile video (2019).
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Jan 04 1999
EXTENSIONS
Offet 1 from Michel Marcus, Oct 10 2019
STATUS
approved
