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

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A024680 Number of ways prime(n) is a sum of 3 odd nonprimes r,s,t satisfying 1 <= r < s < t. 0
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 1, 2, 1, 1, 3, 7, 6, 5, 9, 10, 7, 9, 17, 15, 19, 15, 24, 19, 34, 29, 31, 42, 42, 55, 58, 60, 57, 60, 71, 88, 85, 97, 92, 106, 129, 137, 132, 152, 142, 153, 176, 175, 182, 196, 212, 231, 239, 238, 250, 256, 306, 305, 326, 314, 382, 394, 394, 433, 413, 437 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,12

LINKS

Table of n, a(n) for n=1..72.

CROSSREFS

Sequence in context: A139368 A134303 A078997 * A083531 A003417 A158986

Adjacent sequences:  A024677 A024678 A024679 * A024681 A024682 A024683

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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

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

Last modified November 27 07:58 EST 2014. Contains 250158 sequences.