A209972 - OEIS

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A209972 as a triangular array

													1
												1		1
											1		1		1
										1		2		1		1
									1		2		3		1		1
								1		2		3		4		1		1
							1		2		4		5		5		1		1
						1		2		4		7		8		6		1		1
					1		2		4		7		12		13		7		1		1
				1		2		4		7		12		20		21		8		1		1
			1		2		4		7		12		21		33		34		9		1		1
		1		2		4		8		13		20		37		54		55		10		1		1
	1		2		4		8		15		24		33		65		88		89		11		1		1

A209972 as a square array

1	1	1	1	1	1	1	1	1	1	1	1	1
1	1	2	2	2	2	2	2	2	2	2	2
1	1	3	3	4	4	4	4	4	4	4
1	1	4	5	7	7	7	7	8	8
1	1	5	8	12	12	12	13	15
1	1	6	13	20	21	20	24
1	1	7	21	33	37	33
1	1	8	34	54	65
1	1	9	55	88
1	1	10	89
1	1	11
1	1
1

A209972 as an upper right triangle

1	1	1	1	1	1	1	1	1	1	1	1	1
	1	1	2	2	2	2	2	2	2	2	2	2
		1	1	3	3	4	4	4	4	4	4	4
			1	1	4	5	7	7	7	7	8	8
				1	1	5	8	12	12	12	13	15
					1	1	6	13	20	21	20	24
						1	1	7	21	33	37	33
							1	1	8	34	54	65
								1	1	9	55	88
									1	1	10	89
										1	1	11
											1	1
												1