A135152 - OEIS

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A135152 as a triangular array

										1
									2		1
								4		2		1
							4		4		2		1
						6		4		4		2		1
					6		6		4		4		2		1
				8		6		6		4		4		2		1
			8		8		6		6		4		4		2		1
		10		8		8		6		6		4		4		2		1
	10		10		8		8		6		6		4		4		2		1

A135152 as a square array

1	2	4	4	6	6	8	8	10	10
1	2	4	4	6	6	8	8	10
1	2	4	4	6	6	8	8
1	2	4	4	6	6	8
1	2	4	4	6	6
1	2	4	4	6
1	2	4	4
1	2	4
1	2
1

A135152 as an upper right triangle

1	2	4	4	6	6	8	8	10	10
	1	2	4	4	6	6	8	8	10
		1	2	4	4	6	6	8	8
			1	2	4	4	6	6	8
				1	2	4	4	6	6
					1	2	4	4	6
						1	2	4	4
							1	2	4
								1	2
									1