OFFSET
1,1
COMMENTS
For a(5), corresponding Pell number A000129(308961) has 118263 digits.
Any subsequent terms exceed 2*10^11. - Lucas A. Brown, Mar 08 2024
LINKS
Lucas A. Brown, Python program.
MATHEMATICA
Select[Range[1, 10000], Divisible[Fibonacci[#, 2], Prime[#]] &] (* Vaclav Kotesovec, Mar 18 2016 *)
PROG
(PARI) a000129(n) = ([2, 1; 1, 0]^n)[2, 1];
for(n=1, 1e10, if(lift(Mod(a000129(n), prime(n))) == 0, print1(n, ", ")));
(Python) # See LINKS.
CROSSREFS
KEYWORD
nonn,more,hard
AUTHOR
Altug Alkan, Mar 18 2016
EXTENSIONS
a(6)-a(8) from Gheorghe Coserea, Mar 24 2016
a(9)-a(13) from Daniel Suteu, Nov 07 2019
a(14)-a(20) from Lucas A. Brown, Mar 08 2024
STATUS
approved