|
|
A231575
|
|
Indices of primes in A001590.
|
|
56
|
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
a(11) > 2*10^5.
|
|
LINKS
|
|
|
FORMULA
|
|
|
PROG
|
(PARI) v=[1, 0, 1]; for(n=4, 1e4, if(ispseudoprime(t=v[1]+v[2]+v[3]), print1(n", ")); v=[v[2], v[3], t]) \\ Charles R Greathouse IV, Nov 18 2013
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,more
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|