The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A114722 Smallest Fibonacci numbers with prime indices which have n prime factors. 1
 2, 4181, 24157817, 83621143489848422977, 322615043836854783580186309282650000354271239929 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE 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). MATHEMATICA 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 *) CROSSREFS Cf. A114704 (indices), A135958 (indices). Sequence in context: A285086 A024035 A048831 * A135959 A105667 A178410 Adjacent sequences:  A114719 A114720 A114721 * A114723 A114724 A114725 KEYWORD hard,nonn AUTHOR Shyam Sunder Gupta, Feb 18 2006 EXTENSIONS Definition and example clarified by Harvey P. Dale, Jun 20 2013 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified August 6 19:52 EDT 2020. Contains 336256 sequences. (Running on oeis4.)