

A114821


Indices of Fibonacci numbers with 12 prime factors when counted with multiplicity.


1



48, 60, 90, 126, 176, 258, 297, 315, 375, 385, 410, 430, 441, 459, 474, 475, 496, 555, 609, 621, 627, 638, 682, 710, 711, 729, 734, 759, 805, 814, 826, 854, 875, 897, 903, 906, 908, 925, 932, 935, 981, 987, 994, 1022, 1067, 1089, 1105, 1244, 1246, 1251, 1265, 1285, 1341, 1348
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OFFSET

1,1


LINKS



EXAMPLE

a(1)=48 because the 48th Fibonacci number (i.e., 4807526976) consists of 12 prime factors (i.e., 2*2*2*2*2*2*3*3*7*23*47*1103).


PROG

(PARI) n=1; while(n<320, if(bigomega(fibonacci(n))==12, print1(n, ", ")); n++)


CROSSREFS



KEYWORD

hard,nonn


AUTHOR



EXTENSIONS



STATUS

approved



