OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..14
FORMULA
a(n) = Product_{k = n..A007684(n)} prime(k) = Product_{0 <= i < A107705(n)} prime(n+i). - M. F. Hasler, Jun 15 2017
MATHEMATICA
a[n_] := Module[{p = Prime[n]}, r = 1; prod = 1; While[r < 2, r *= 1 + 1/p; prod *= p; p = NextPrime[p]]; prod]; Array[a, 5] (* Amiram Eldar, Jun 29 2019 *)
PROG
(PARI) A007702(n, p=prime(n), s=1+1/p, P=p)={until(2<=s*=1+1/p, P*=p=nextprime(p+1)); P} \\ M. F. Hasler, Jun 15 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Don Reble, Nov 10 2005
STATUS
approved