A236920 - OEIS

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A236920 as a triangular array

									1
								1		1
							1		1		1
						1		2		2		3
					1		2		2		3		4
				2		2		2		4		4		4
			2		2		3		4		4		6		6
		2		2		3		4		5		6		7		8
	2		3		3		5		6		6		7		8		9
2		3		4		5		6		7		8		9		10		10

A236920 as a square array

1	1	1	1	1	2	2	2	2	2
1	1	2	2	2	2	2	3	3
1	2	2	2	3	3	3	4
3	3	4	4	4	5	5
4	4	4	5	6	6
4	6	6	6	7
6	7	7	8
8	8	9
9	10
10

A236920 as an upper right triangle

1	1	1	1	1	2	2	2	2	2
	1	1	2	2	2	2	2	3	3
		1	2	2	2	3	3	3	4
			3	3	4	4	4	5	5
				4	4	4	5	6	6
					4	6	6	6	7
						6	7	7	8
							8	8	9
								9	10
									10