A115756 - OEIS

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A115756 as a triangular array

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

A115756 as a square array

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

A115756 as an upper right triangle

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