OFFSET
1,1
LINKS
K. D. Bajpai, Table of n, a(n) for n = 1..1510
EXAMPLE
3 is in the sequence because (prime(3)! + prime(4)!)/prime(3)! = (5! + 7!)/5! = (120 + 5040)/120 = 43 which is prime.
MAPLE
isA235267 := proc(n)
local p, q ;
p := ithprime(n) ;
q := nextprime(p) ;
if isprime(1+q!/p!) then
true;
else
false;
end if;
end proc:
for n from 1 do
if isA235267(n) then
print(n) ;
end if;
end do:
CROSSREFS
KEYWORD
nonn
AUTHOR
K. D. Bajpai, Jan 05 2014
STATUS
approved