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 A106740 Triangle read by rows: greatest common divisors of pairs of Fibonacci numbers greater than 1: T(n,k) = GCD(Fib(n),Fib(k)), 2
 2, 1, 3, 1, 1, 5, 2, 1, 1, 8, 1, 1, 1, 1, 13, 1, 3, 1, 1, 1, 21, 2, 1, 1, 2, 1, 1, 34, 1, 1, 5, 1, 1, 1, 1, 55, 1, 1, 1, 1, 1, 1, 1, 1, 89, 2, 3, 1, 8, 1, 3, 2, 1, 1, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 233, 1, 1, 1, 1, 13, 1, 1, 1, 1, 1, 1, 377, 2, 1, 5, 2, 1, 1, 2, 5, 1, 2, 1, 1, 610, 1, 3, 1, 1, 1, 21, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS T(n,k) = GCD(A000045(n), A000045(k)), 22; T(n,4) = A093148(n) for n>3; T(n,n) = A000045(n). LINKS CROSSREFS Sequence in context: A168534 A026807 A179045 * A178534 A110619 A191861 Adjacent sequences:  A106737 A106738 A106739 * A106741 A106742 A106743 KEYWORD nonn,tabl AUTHOR Reinhard Zumkeller, May 15 2005 STATUS approved

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Last modified January 25 03:49 EST 2020. Contains 331241 sequences. (Running on oeis4.)