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

 

Logo

Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A175024 Irregular table read by rows: Row n (of A175022(n) terms) contains the terms of row n of table A175023 with these terms arranged in nondecreasing order. 4
1, 1, 1, 2, 1, 2, 1, 1, 1, 3, 1, 3, 1, 1, 2, 1, 1, 1, 1, 2, 2, 4, 1, 4, 1, 1, 3, 1, 1, 1, 2, 1, 2, 2, 1, 1, 1, 1, 1, 2, 3, 5, 1, 5, 1, 1, 4, 1, 1, 1, 3, 1, 2, 3, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 4, 2, 2, 2, 3, 3, 6, 1, 6, 1, 1, 5, 1, 1, 1, 4, 1, 2, 4, 1, 1, 2, 3, 1, 1, 1, 1, 3, 1, 3, 3, 1, 1, 1, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

This table lists the parts of the partitions of the positive integers. Each partition is represented exactly once in this table. If n is such that 2^(m-1) <= A175020(n) <= 2^m -1, then row n of this table gives one partition of m.

LINKS

Table of n, a(n) for n=1..105.

EXAMPLE

Table to start:

1

1,1

2

1,2

1,1,1

3

1,3

1,1,2

1,1,1,1

2,2

4

1,4

1,1,3

1,1,1,2

1,2,2

1,1,1,1,1

2,3

5

Note there are: 1 row that sums to 1, two rows that sum to 2, three rows that sum to 3, five rows that sum to 4, seven rows that sum to 5, etc, where 1,2,3,5,7,... are the number of unrestricted partitions of 1,2,3,4,5,...

CROSSREFS

Cf. A175020, A175022, A175023, A175025.

Sequence in context: A260704 A161223 A145672 * A175023 A128115 A091318

Adjacent sequences:  A175021 A175022 A175023 * A175025 A175026 A175027

KEYWORD

base,nonn,tabf

AUTHOR

Leroy Quet, Nov 03 2009

EXTENSIONS

Extended by Ray Chandler, Mar 11 2010

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified November 21 12:43 EST 2017. Contains 295001 sequences.