OFFSET
1,10
LINKS
Robert Price, Table of n, a(n) for n = 1..1000
EXAMPLE
a(10)=2 since B(10)=37, and the two primes 29 and 31 have not yet appeared in the Buss's function sequence, A067836.
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert Price, Mar 09 2013
STATUS
approved