A172049 Irregular triangle T(n,k) = 2k-1 with A008794(n+2) values in row n.

1, 1, 1, 3, 5, 7, 1, 3, 5, 7, 1, 3, 5, 7, 9, 11, 13, 15, 17, 1, 3, 5, 7, 9, 11, 13, 15, 17, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43

Offset: 1

Author

Paul Curtz, Jan 24 2010

Keywords

• nonn
• easy
• tabf

Comments

These are the values A172002(2*n)-A172002(2*n-1) arranged in a table by adding line breaks.

The last (and largest) numbers in the lines are in A056220(floor(n+1)/2).

Examples

			1;
1;
1, 3, 5, 7;
1, 3, 5, 7;
1, 3, 5, 7, 9, 11, 13, 15, 17;
1, 3, 5, 7, 9, 11, 13, 15, 17;
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31;
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31;
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43,...
		

Crossrefs

Cf. A158405.