A128220 - OEIS

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A128220 as a triangular array

									1
								3		2
							4		4		3
						5		5		5		4
					6		6		6		6		5
				7		7		7		7		7		6
			8		8		8		8		8		8		7
		9		9		9		9		9		9		9		8
	10		10		10		10		10		10		10		10		9
11		11		11		11		11		11		11		11		11		10

A128220 as a square array

1	3	4	5	6	7	8	9	10	11
2	4	5	6	7	8	9	10	11
3	5	6	7	8	9	10	11
4	6	7	8	9	10	11
5	7	8	9	10	11
6	8	9	10	11
7	9	10	11
8	10	11
9	11
10

A128220 as an upper right triangle

1	3	4	5	6	7	8	9	10	11
	2	4	5	6	7	8	9	10	11
		3	5	6	7	8	9	10	11
			4	6	7	8	9	10	11
				5	7	8	9	10	11
					6	8	9	10	11
						7	9	10	11
							8	10	11
								9	11
									10

									1
								3		2
							4		4		3
						5		5		5		4
					6		6		6		6		5
				7		7		7		7		7		6
			8		8		8		8		8		8		7
		9		9		9		9		9		9		9		8
	10		10		10		10		10		10		10		10		9
11		11		11		11		11		11		11		11		11		10

1	3	4	5	6	7	8	9	10	11
2	4	5	6	7	8	9	10	11
3	5	6	7	8	9	10	11
4	6	7	8	9	10	11
5	7	8	9	10	11
6	8	9	10	11
7	9	10	11
8	10	11
9	11
10

1	3	4	5	6	7	8	9	10	11
	2	4	5	6	7	8	9	10	11
		3	5	6	7	8	9	10	11
			4	6	7	8	9	10	11
				5	7	8	9	10	11
					6	8	9	10	11
						7	9	10	11
							8	10	11
								9	11
									10

									1
								3		2
							4		4		3
						5		5		5		4
					6		6		6		6		5
				7		7		7		7		7		6
			8		8		8		8		8		8		7
		9		9		9		9		9		9		9		8
	10		10		10		10		10		10		10		10		9
11		11		11		11		11		11		11		11		11		10

1	3	4	5	6	7	8	9	10	11
2	4	5	6	7	8	9	10	11
3	5	6	7	8	9	10	11
4	6	7	8	9	10	11
5	7	8	9	10	11
6	8	9	10	11
7	9	10	11
8	10	11
9	11
10

1	3	4	5	6	7	8	9	10	11
	2	4	5	6	7	8	9	10	11
		3	5	6	7	8	9	10	11
			4	6	7	8	9	10	11
				5	7	8	9	10	11
					6	8	9	10	11
						7	9	10	11
							8	10	11
								9	11
									10

									1
								3		2
							4		4		3
						5		5		5		4
					6		6		6		6		5
				7		7		7		7		7		6
			8		8		8		8		8		8		7
		9		9		9		9		9		9		9		8
	10		10		10		10		10		10		10		10		9
11		11		11		11		11		11		11		11		11		10

1	3	4	5	6	7	8	9	10	11
2	4	5	6	7	8	9	10	11
3	5	6	7	8	9	10	11
4	6	7	8	9	10	11
5	7	8	9	10	11
6	8	9	10	11
7	9	10	11
8	10	11
9	11
10

1	3	4	5	6	7	8	9	10	11
	2	4	5	6	7	8	9	10	11
		3	5	6	7	8	9	10	11
			4	6	7	8	9	10	11
				5	7	8	9	10	11
					6	8	9	10	11
						7	9	10	11
							8	10	11
								9	11
									10