OFFSET
1,1
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
EXAMPLE
n=5462, 1+{prime(n),...,prime(n+5)} = 1+{53609,53611,53617,53623,53629,53633} = {53610,53612,53618,53624,53630,53634} = {2*3*5*1787, 2*2*13*1031, 2*17*19*83, 2*2*2*6703, 2*5*31*173, 2*3*7*1277, all products of 4 primes.
PROG
(PARI) is(n)=my(p=prime(n), t=bigomega(p+1)); for(i=1, 5, p=nextprime(p+1); if(bigomega(p+1)!=t, return(0))); 1 \\ Charles R Greathouse IV, Feb 16 2015
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Feb 16 2015
EXTENSIONS
a(5)-a(13) corrected, a(14)-a(31) from Charles R Greathouse IV, Feb 16 2015
STATUS
approved