OFFSET
1,6
LINKS
Jens Kruse Andersen, Table of n, a(n) for n = 1..63
EXAMPLE
MAPLE
with(combinat, fibonacci):with(numtheory):i:=0:a:=n->2*fibonacci(n-1)+fibonacci(n):for n from 3 to 100 do:if type (a(n), prime)=true then printf(`%d, `, i):i:=0:else i:=i+1:fi:od:
CROSSREFS
KEYWORD
nonn
AUTHOR
Michel Lagneau, Jul 23 2014
STATUS
approved