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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A060292 For 1<=a<=b<=c, 1<=x<=y<=z, p_k is k-th prime. i=(p_a)*(p_b)*(p_c), j=(p_x)*(p_y)*(p_z), i != j; n=a*b*c=x*y*z with a+b+c=x+y+z. 0
36, 40, 72, 90, 96, 126, 144, 168, 176, 200, 225, 234, 240, 252, 270, 280, 288, 297, 320, 360, 396, 408, 420, 432, 450, 480, 504, 520, 540, 546, 550, 560, 576, 588, 600, 630, 648, 672, 675, 690, 714, 720, 735, 736, 768, 780, 784, 800, 816, 840, 850, 855 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

36=6*6*1=9*2*2. 6+6+1=9+2+2. so 36 is in the sequence.

CROSSREFS

Cf. A060275.

Sequence in context: A077090 A067672 A181484 * A067372 A084147 A044862

Adjacent sequences:  A060289 A060290 A060291 * A060293 A060294 A060295

KEYWORD

easy,nonn

AUTHOR

Naohiro Nomoto (6284968128(AT)geocities.co.jp), Mar 24 2001

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 15 12:16 EST 2012. Contains 205785 sequences.