OFFSET
1,1
COMMENTS
Indices of A006577 that start a run of at least n primes.
We find long sequences of primes, for example there are 55 primes starting at index 282984, namely 83, 101, 127, 251,...
LINKS
Donovan Johnson, Table of n, a(n) for n = 1..619 (terms <= 10^10)
EXAMPLE
MAPLE
A174538 := proc(n)
local k, allp;
for k from 1 do
allp := true;
for i from 0 to n-1 do
if not isprime(A006577(k+i)) then
allp := false;
break;
end if;
end do:
if allp then
return k;
end if;
end do:
end proc: # R. J. Mathar, Jul 08 2012
CROSSREFS
KEYWORD
nonn
AUTHOR
Michel Lagneau, Mar 21 2010
EXTENSIONS
Edited by R. J. Mathar, Jul 08 2012
STATUS
approved