login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A220482 Triangle read by rows: T(j,k) in which row j lists the parts in nondecreasing order of the j-th region of the set of partitions of n, with 1<=j<=A000041(n). 7

%I #9 Mar 05 2013 21:00:29

%S 1,1,2,1,1,3,2,1,1,1,2,4,3,1,1,1,1,1,2,5,2,2,4,3,1,1,1,1,1,1,1,2,2,3,

%T 6,3,2,5,4,1,1,1,1,1,1,1,1,1,1,1,2,2,3,7,2,2,4,3,2,2,3,6,5,4,1,1,1,1,

%U 1,1,1,1,1,1,1,1,1,1,1,2,2,2,2,3,4,8

%N Triangle read by rows: T(j,k) in which row j lists the parts in nondecreasing order of the j-th region of the set of partitions of n, with 1<=j<=A000041(n).

%C For the definition of "region" of the set of partitions of n see A206437.

%e First 15 rows of the irregular triangle are

%e 1;

%e 1, 2;

%e 1, 1, 3;

%e 2;

%e 1, 1, 1, 2, 4;

%e 3;

%e 1, 1, 1, 1, 1, 2, 5;

%e 2;

%e 2, 4;

%e 3;

%e 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 6;

%e 3;

%e 2, 5;

%e 4;

%e 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 7;

%Y Positive terms of A186114. Mirror of A206437.

%Y Row j has length A194446(j). Row sums give A186412.

%Y Cf. A135010, A141285, A193870.

%K nonn,tabf

%O 1,3

%A _Omar E. Pol_, Jan 27 2013

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 11 12:18 EDT 2024. Contains 372409 sequences. (Running on oeis4.)