login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A078093 Numbers n such that Omega(n)=Omega(n+1)+ Omega(n+2)+ Omega(n+3). (Omega(n) denotes the number of prime factors of n, counting multiplicity). 0
64, 176, 216, 280, 288, 320, 336, 352, 384, 400, 416, 432, 480, 500, 560, 616, 704, 720, 756, 784, 800, 840, 936, 960, 1024, 1040, 1056, 1080, 1120, 1184, 1216, 1260, 1360, 1380, 1400, 1440, 1458, 1512, 1656, 1776, 1820, 1836, 1856, 1904, 1944, 1980 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

a(2)=176 is a term because Omega(176)=5=Omega(177)+Omega(178)+Omega(179)=2+2+1=5

CROSSREFS

Cf. A001222.

Sequence in context: A044396 A044777 A203448 * A202332 A135270 A045052

Adjacent sequences:  A078090 A078091 A078092 * A078094 A078095 A078096

KEYWORD

nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Dec 01 2002

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 16 13:12 EST 2012. Contains 205909 sequences.