| 60, 72, 110, 112, 114, 128, 130, 135, 147, 154, 170, 171, 174, 217, 225, 231, 236, 238, 275, 279, 282, 290, 309, 316, 338, 355, 366, 374, 425, 436, 442, 452, 471, 481, 524, 538, 548, 553, 575, 642, 649, 694, 796, 801, 818, 833, 838, 847, 849, 851, 886, 889
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
Blair Kelly, Fibonacci and Lucas Factorizations.
|
|
EXAMPLE
|
a(1)=60 because 60th fibonacci number consists of 8 distinct prime factors (i.e. 1548008755920 = 2^4 x 3^2 x 5 x 11 x 31 x 41 x 61 x 2521)
|
|
PROGRAM
|
(PARI) n=1; while(n<370, if(omega(fibonacci(n))==8, print1(n, ", ")); n++)
|
|
CROSSREFS
|
Sequence in context: A036457 A030630 A068350 this_sequence A067207 A123712 A009129
Adjacent sequences: A114834 A114835 A114836 this_sequence A114838 A114839 A114840
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Shyam Sunder Gupta (guptass(AT)rediffmail.com), Feb 19 2006
|
|
EXTENSIONS
|
More terms from Ryan Propper (rpropper(AT)stanford.edu), Apr 26 2006
|
|
