OFFSET
1,3
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
EXAMPLE
a(1): Between the first two lucky primes (3, 7) there is one prime (5).
a(3): Between 13 and 31 there are 4 primes (17, 19, 23, 29).
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Hauke Löffler, Jul 24 2019
STATUS
approved