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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A102108 Numbers of partitions of 2n into n primes. 1
1, 1, 2, 3, 5, 7, 10, 14, 19, 26, 35, 46, 60, 77, 98, 124, 157, 197, 244, 302, 372, 456, 557, 677, 819, 987, 1186, 1420, 1695, 2018, 2394, 2833, 3344, 3936, 4624, 5419, 6336, 7393, 8608, 10003, 11603, 13435, 15527, 17914, 20636, 23732, 27251, 31246, 35772 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..49.

EXAMPLE

a(2)=1 since 4 = 2+2;

a(3)=2 since 6 = 3+3 = 2+2+2;

a(4)=3 since 8 = 3+5 = 2+3+3 = 2+2+2+2.

CROSSREFS

Bisection of A000607.

Sequence in context: A023026 A096778 A280277 * A105780 A001522 A054405

Adjacent sequences:  A102105 A102106 A102107 * A102109 A102110 A102111

KEYWORD

nonn

AUTHOR

Giovanni Teofilatto, Feb 14 2005

EXTENSIONS

Edited, corrected and extended by Ray Chandler Feb 27 2005

More terms from Giovanni Teofilatto, Feb 14 2005

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 20 09:50 EDT 2019. Contains 321345 sequences. (Running on oeis4.)