A048571 - OEIS

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A048571 as a triangular array

													0
												0		0
											0		1		0
										0		1		1		0
									0		1		2		1		0
								0		1		2		2		1		0
							0		2		2		2		2		2		0
						0		1		2		2		2		2		1		0
					0		1		2		2		3		2		2		1		0
				0		1		2		3		3		3		3		2		1		0
			0		2		2		3		4		3		4		3		2		2		0
		0		1		2		3		4		4		4		4		3		2		1		0
	0		2		3		3		3		3		4		3		3		3		3		2		0

A048571 as a square array

0	0	0	0	0	0	0	0	0	0	0	0	0
0	1	1	1	1	2	1	1	1	2	1	2
0	1	2	2	2	2	2	2	2	2	3
0	1	2	2	2	2	3	3	3	3
0	1	2	2	3	3	4	4	3
0	2	2	2	3	3	4	3
0	1	2	3	4	4	4
0	1	2	3	4	3
0	1	2	3	3
0	2	2	3
0	1	3
0	2
0

A048571 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0	0	0
	0	1	1	1	1	2	1	1	1	2	1	2
		0	1	2	2	2	2	2	2	2	2	3
			0	1	2	2	2	2	3	3	3	3
				0	1	2	2	3	3	4	4	3
					0	2	2	2	3	3	4	3
						0	1	2	3	4	4	4
							0	1	2	3	4	3
								0	1	2	3	3
									0	2	2	3
										0	1	3
											0	2
												0