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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

Table of n, a(n) for n=0..65.

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.)