|
%I #15 Jun 12 2017 15:58:51
%S 2,4181,24157817,83621143489848422977,
%T 322615043836854783580186309282650000354271239929
%N Smallest Fibonacci numbers with prime indices which have n prime factors.
%e a(3) = 24157817 because 24157817 is the smallest Fibonacci number with a prime index (that is, 37) which has 3 prime factors (24157817 = 73*149*2221).
%t Transpose[Flatten[Table[Select[{#, PrimeOmega[#]}&/@Fibonacci[Prime[Range[50]]], Last[#]==n&,1], {n, 5}], 1]][[1]] (* To generate the first 6 terms, change 50 to 100 inside Range and change 5 to 6 for the upper limit of n. *) (* _Harvey P. Dale_, Jun 20 2013 *)
%Y Cf. A114704 (indices), A135958 (indices).
%K hard,nonn
%O 1,1
%A _Shyam Sunder Gupta_, Feb 18 2006
%E Definition and example clarified by _Harvey P. Dale_, Jun 20 2013
| 