OFFSET
1,2
COMMENTS
If a(k) is the first occurrence of a prime p(r), the r-th prime then a(k+1) = p(r-1) + 1,... a(k+m) = p(r-1) + m until a(k + p(r)-p(r-1))= p(r) again.( the second and the last occurrence of p(r)).
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Oct 17 2002
STATUS
approved