A025581 - OEIS

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A025581 as a triangular array

													0
												1		0
											2		1		0
										3		2		1		0
									4		3		2		1		0
								5		4		3		2		1		0
							6		5		4		3		2		1		0
						7		6		5		4		3		2		1		0
					8		7		6		5		4		3		2		1		0
				9		8		7		6		5		4		3		2		1		0
			10		9		8		7		6		5		4		3		2		1		0
		11		10		9		8		7		6		5		4		3		2		1		0
	12		11		10		9		8		7		6		5		4		3		2		1		0
13		12		11		10		9		8		7		6		5		4		3

A025581 as a square array

1	2	3	4	5	6	7	8	9	10	11	12	13
1	2	3	4	5	6	7	8	9	10	11	12
1	2	3	4	5	6	7	8	9	10	11
1	2	3	4	5	6	7	8	9	10
1	2	3	4	5	6	7	8	9
1	2	3	4	5	6	7	8
1	2	3	4	5	6	7
1	2	3	4	5	6
1	2	3	4	5
1	2	3	4
1	2	3
1

A025581 as an upper right triangle

0	1	2	3	4	5	6	7	8	9	10	11	12	13
	0	1	2	3	4	5	6	7	8	9	10	11	12
		0	1	2	3	4	5	6	7	8	9	10	11
			0	1	2	3	4	5	6	7	8	9	10
				0	1	2	3	4	5	6	7	8	9
					0	1	2	3	4	5	6	7	8
						0	1	2	3	4	5	6	7
							0	1	2	3	4	5	6
								0	1	2	3	4	5
									0	1	2	3	4
										0	1	2	3
											0	1
												0

													0
												1		0
											2		1		0
										3		2		1		0
									4		3		2		1		0
								5		4		3		2		1		0
							6		5		4		3		2		1		0
						7		6		5		4		3		2		1		0
					8		7		6		5		4		3		2		1		0
				9		8		7		6		5		4		3		2		1		0
			10		9		8		7		6		5		4		3		2		1		0
		11		10		9		8		7		6		5		4		3		2		1		0
	12		11		10		9		8		7		6		5		4		3		2		1		0
13		12		11		10		9		8		7		6		5		4		3

1	2	3	4	5	6	7	8	9	10	11	12	13
1	2	3	4	5	6	7	8	9	10	11	12
1	2	3	4	5	6	7	8	9	10	11
1	2	3	4	5	6	7	8	9	10
1	2	3	4	5	6	7	8	9
1	2	3	4	5	6	7	8
1	2	3	4	5	6	7
1	2	3	4	5	6
1	2	3	4	5
1	2	3	4
1	2	3
1

0	1	2	3	4	5	6	7	8	9	10	11	12	13
	0	1	2	3	4	5	6	7	8	9	10	11	12
		0	1	2	3	4	5	6	7	8	9	10	11
			0	1	2	3	4	5	6	7	8	9	10
				0	1	2	3	4	5	6	7	8	9
					0	1	2	3	4	5	6	7	8
						0	1	2	3	4	5	6	7
							0	1	2	3	4	5	6
								0	1	2	3	4	5
									0	1	2	3	4
										0	1	2	3
											0	1
												0

													0
												1		0
											2		1		0
										3		2		1		0
									4		3		2		1		0
								5		4		3		2		1		0
							6		5		4		3		2		1		0
						7		6		5		4		3		2		1		0
					8		7		6		5		4		3		2		1		0
				9		8		7		6		5		4		3		2		1		0
			10		9		8		7		6		5		4		3		2		1		0
		11		10		9		8		7		6		5		4		3		2		1		0
	12		11		10		9		8		7		6		5		4		3		2		1		0
13		12		11		10		9		8		7		6		5		4		3

1	2	3	4	5	6	7	8	9	10	11	12	13
1	2	3	4	5	6	7	8	9	10	11	12
1	2	3	4	5	6	7	8	9	10	11
1	2	3	4	5	6	7	8	9	10
1	2	3	4	5	6	7	8	9
1	2	3	4	5	6	7	8
1	2	3	4	5	6	7
1	2	3	4	5	6
1	2	3	4	5
1	2	3	4
1	2	3
1

0	1	2	3	4	5	6	7	8	9	10	11	12	13
	0	1	2	3	4	5	6	7	8	9	10	11	12
		0	1	2	3	4	5	6	7	8	9	10	11
			0	1	2	3	4	5	6	7	8	9	10
				0	1	2	3	4	5	6	7	8	9
					0	1	2	3	4	5	6	7	8
						0	1	2	3	4	5	6	7
							0	1	2	3	4	5	6
								0	1	2	3	4	5
									0	1	2	3	4
										0	1	2	3
											0	1
												0

													0
												1		0
											2		1		0
										3		2		1		0
									4		3		2		1		0
								5		4		3		2		1		0
							6		5		4		3		2		1		0
						7		6		5		4		3		2		1		0
					8		7		6		5		4		3		2		1		0
				9		8		7		6		5		4		3		2		1		0
			10		9		8		7		6		5		4		3		2		1		0
		11		10		9		8		7		6		5		4		3		2		1		0
	12		11		10		9		8		7		6		5		4		3		2		1		0
13		12		11		10		9		8		7		6		5		4		3

1	2	3	4	5	6	7	8	9	10	11	12	13
1	2	3	4	5	6	7	8	9	10	11	12
1	2	3	4	5	6	7	8	9	10	11
1	2	3	4	5	6	7	8	9	10
1	2	3	4	5	6	7	8	9
1	2	3	4	5	6	7	8
1	2	3	4	5	6	7
1	2	3	4	5	6
1	2	3	4	5
1	2	3	4
1	2	3
1

0	1	2	3	4	5	6	7	8	9	10	11	12	13
	0	1	2	3	4	5	6	7	8	9	10	11	12
		0	1	2	3	4	5	6	7	8	9	10	11
			0	1	2	3	4	5	6	7	8	9	10
				0	1	2	3	4	5	6	7	8	9
					0	1	2	3	4	5	6	7	8
						0	1	2	3	4	5	6	7
							0	1	2	3	4	5	6
								0	1	2	3	4	5
									0	1	2	3	4
										0	1	2	3
											0	1
												0