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 A172150 Smallest Fibonacci number divisible by 2^(2*n). 1
 8, 144, 4807526976, 5972304273877744135569338397692020533504 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The next term has 161 digits. LINKS Table of n, a(n) for n=1..4. EXAMPLE f(12)=144=2^4*3^2, f(48)=4807526976=2^6*3^2*7*23*47*1103, f(192)=2^8*3^2*7*23*47*769*1087*1103*2207*.., f(768)=2^10*3^2*7*23*47*127*383*..,.. MATHEMATICA lst={8}; k=12; Do[AppendTo[lst, Fibonacci[k]]; k*=4, {n, 5}]; lst CROSSREFS Cf. A000045, A172145 Sequence in context: A111687 A231851 A071305 * A105046 A123812 A064331 Adjacent sequences: A172147 A172148 A172149 * A172151 A172152 A172153 KEYWORD nonn AUTHOR Vladimir Joseph Stephan Orlovsky, Nov 19 2010 STATUS approved

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Last modified April 21 07:37 EDT 2024. Contains 371850 sequences. (Running on oeis4.)