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 A114822 Indices of Fibonacci numbers with 13 prime factors when counted with multiplicity. 1
 84, 132, 156, 162, 224, 234, 260, 354, 364, 368, 405, 434, 438, 455, 472, 512, 536, 584, 585, 595, 610, 615, 645, 693, 741, 775, 777, 822, 830, 834, 867, 904, 931, 957, 962, 1001, 1025, 1045, 1066, 1070, 1102, 1106, 1108, 1146, 1147, 1158, 1209, 1268, 1309, 1310, 1317, 1334, 1335, 1388 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..54. Blair Kelly, Fibonacci and Lucas Factorizations. EXAMPLE a(1)=84 because 84th fibonacci number(i.e. 160500643816367088) consists of 13 prime factors (i.e. 2*2*2*2*3*3*13*29*83*211*281*421*1427 ) PROG (PARI) n=1; while(n<360, if(bigomega(fibonacci(n))==13, print1(n, ", ")); n++) CROSSREFS Column k=13 of A303215. Sequence in context: A227734 A192322 A015708 * A099637 A274348 A143758 Adjacent sequences: A114819 A114820 A114821 * A114823 A114824 A114825 KEYWORD hard,nonn AUTHOR Shyam Sunder Gupta, Feb 19 2006 EXTENSIONS More terms from Ryan Propper, May 24 2006 More terms from Amiram Eldar, Oct 14 2019 STATUS approved

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Last modified December 7 00:23 EST 2023. Contains 367616 sequences. (Running on oeis4.)