The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)
A206562 Triangle read by rows: T(n,k) = sum of all parts >= k in the last section of the set of partitions of n. 5

%I #19 Sep 25 2016 18:03:42

%S 1,3,2,5,3,3,11,8,4,4,15,10,8,5,5,31,24,16,10,6,6,39,28,22,16,12,7,7,

%T 71,56,40,31,19,14,8,8,94,72,58,40,32,22,16,9,9,150,120,90,72,52,37,

%U 25,18,10,10,196,154,124,94,74,54,42,28,20,11,11

%N Triangle read by rows: T(n,k) = sum of all parts >= k in the last section of the set of partitions of n.

%H Alois P. Heinz, <a href="/A206562/b206562.txt">Rows n = 1..141, flattened</a>

%e Triangle begins:

%e 1;

%e 3, 2;

%e 5, 3, 3;

%e 11, 8, 4, 4;

%e 15, 10, 8, 5, 5;

%e 31, 24, 16, 10, 6, 6;

%e 39, 28, 22, 16, 12, 7, 7;

%e 71, 56, 40, 31, 19, 14, 8, 8;

%e 94, 72, 58, 40, 32, 22, 16, 9, 9;

%Y Columns 1-2 give A138879, A138880. Diagonal is A000027.

%Y Cf. A135010, A138121, A182703, A206561, A207031, A207032.

%K nonn,tabl

%O 1,2

%A _Omar E. Pol_, Feb 15 2012

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 19 21:56 EDT 2024. Contains 372703 sequences. (Running on oeis4.)