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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A161984 Table read by rows: the number n followed by the odd numbers from n(n-1)+1 to (n-1)(n+2)+1. 0

%I

%S 0,1,1,2,3,5,3,7,9,11,4,13,15,17,19,5,21,23,25,27,29,6,31,33,35,37,39,

%T 41,7,43,45,47,49,51,53,55,8,57,59,61,63,65,67,69,71,9,73,75,77,79,81,

%U 83,85,87,89,10,91,93,95,97,99,101,103,105,107,109,11,111,113,115,117

%N Table read by rows: the number n followed by the odd numbers from n(n-1)+1 to (n-1)(n+2)+1.

%C The second column is A002061. The last element of row n is A028387(n-1).

%C Row sums discarding the first column are n^3, that is the cube of the element in the first column.

%e The table with rows starting at n=0 is

%e 0;

%e 1,1;

%e 2,3,5;

%e 3,7,9,11;

%e 4,13,15,17,19;

%e 5,21,23,25,27,29;

%e 6,31,33,35,37,39,41;

%e 7,43,45,47,49,51,53,55;

%e 8,57,59,61,63,65,67,69,71;

%e 9,73,75,77,79,81,83,85,87,89;

%e 10,91,93,95,97,99,101,103,105,107,109;

%K nonn,tabl,less

%O 0,4

%A _Juri-Stepan Gerasimov_, Jun 23 2009

%E Edited by _R. J. Mathar_, Jun 28 2009

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.

Last modified February 3 20:38 EST 2023. Contains 360044 sequences. (Running on oeis4.)