A080786 - OEIS

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A080786 as a triangular array

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

A080786 as a square array

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

A080786 as an upper right triangle

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