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, 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, 41, 7, 43, 45, 47, 49, 51, 53, 55, 8, 57, 59, 61, 63, 65, 67, 69, 71, 9, 73, 75, 77, 79, 81, 83, 85, 87, 89, 10, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 11, 111, 113, 115, 117

Offset

0,4

Comments

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

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

Links

Table of n, a(n) for n=0..70.

Example

The table with rows starting at n=0 is
0;
1,1;
2,3,5;
3,7,9,11;
4,13,15,17,19;
5,21,23,25,27,29;
6,31,33,35,37,39,41;
7,43,45,47,49,51,53,55;
8,57,59,61,63,65,67,69,71;
9,73,75,77,79,81,83,85,87,89;
10,91,93,95,97,99,101,103,105,107,109;

Crossrefs

Sequence in context: A225680 A346091 A107685 * A337362 A125677 A051358

Adjacent sequences: A161981 A161982 A161983 * A161985 A161986 A161987

Keyword

nonn,tabl,less

Author

Juri-Stepan Gerasimov, Jun 23 2009

Extensions

Edited by R. J. Mathar, Jun 28 2009

Status

approved