A143537 - OEIS

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A143537 as a triangular array

													0
												1		1
											2		2		1
										2		2		1		0
									3		3		2		1		1
								3		3		2		1		1		0
							4		4		3		2		2		1		1
						4		4		3		2		2		1		1		0
					4		4		3		2		2		1		1		0		0
				4		4		3		2		2		1		1		0		0		0
			5		5		4		3		3		2		2		1		1		1		1
		5		5		4		3		3		2		2		1		1		1		1		0
	6		6		5		4		4		3		3		2		2		2		2		1		1

A143537 as a square array

0	1	2	2	3	3	4	4	4	4	5	5	6
1	2	2	3	3	4	4	4	4	5	5	6
1	1	2	2	3	3	3	3	4	4	5
0	1	1	2	2	2	2	3	3	4
1	1	2	2	2	2	3	3	4
0	1	1	1	1	2	2	3
1	1	1	1	2	2	3
0	0	0	1	1	2
0	0	1	1	2
0	1	1	2
1	1	2
0	1
1

A143537 as an upper right triangle

0	1	2	2	3	3	4	4	4	4	5	5	6
	1	2	2	3	3	4	4	4	4	5	5	6
		1	1	2	2	3	3	3	3	4	4	5
			0	1	1	2	2	2	2	3	3	4
				1	1	2	2	2	2	3	3	4
					0	1	1	1	1	2	2	3
						1	1	1	1	2	2	3
							0	0	0	1	1	2
								0	0	1	1	2
									0	1	1	2
										1	1	2
											0	1
												1