

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
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OFFSET

1,1


LINKS



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



KEYWORD

hard,nonn


AUTHOR



EXTENSIONS



STATUS

approved



