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 A174430 Triangle read by rows: t(n,m)=GCD[Fibonacci[n],Fibonacci[m]] 0
 0, 1, 1, 1, 1, 1, 2, 1, 1, 2, 3, 1, 1, 1, 3, 5, 1, 1, 1, 1, 5, 8, 1, 1, 2, 1, 1, 8, 13, 1, 1, 1, 1, 1, 1, 13, 21, 1, 1, 1, 3, 1, 1, 1, 21, 34, 1, 1, 2, 1, 1, 2, 1, 1, 34, 55, 1, 1, 1, 1, 5, 1, 1, 1, 1, 55 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,7 COMMENTS Row sums are:{0, 2, 3, 6, 9, 14, 22, 32, 51, 78, 123,...}. t(n,m)=Fibonacci[GCD(n,m)] LINKS EXAMPLE {0}, {1, 1}, {1, 1, 1}, {2, 1, 1, 2}, {3, 1, 1, 1, 3}, {5, 1, 1, 1, 1, 5}, {8, 1, 1, 2, 1, 1, 8}, {13, 1, 1, 1, 1, 1, 1, 13}, {21, 1, 1, 1, 3, 1, 1, 1, 21}, {34, 1, 1, 2, 1, 1, 2, 1, 1, 34}, {55, 1, 1, 1, 1, 5, 1, 1, 1, 1, 55} MATHEMATICA Flatten[Table[Table[GCD[Fibonacci[n], Fibonacci[m]], {m, 0, n}], {n, 0, 10}]] CROSSREFS Cf. A000045 Sequence in context: A161161 A136277 A133233 * A116361 A106796 A265743 Adjacent sequences:  A174427 A174428 A174429 * A174431 A174432 A174433 KEYWORD nonn,tabl AUTHOR Roger L. Bagula, Nov 28 2010 EXTENSIONS I corrected the data. I made a mistake in the entry due to previous work being in memory and not cleared. STATUS approved

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Last modified July 17 02:56 EDT 2019. Contains 325092 sequences. (Running on oeis4.)