A249808 - OEIS

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A249808 as a triangular array

															0
														1		0
													1		1		0
												2		1		0		0
											2		1		1		0		0
										3		1		1		0		0		0
									3		1		1		1		0		0		0
								4		1		1		1		0		0		0		0
							4		2		1		1		0		0		0		0		0
						5		2		1		1		0		0		0		0		0		0
					5		2		1		1		1		0		0		0		0		0		0
				6		2		1		1		1		0		0		0		0		0		0		0
			6		2		1		1		1		1		0		0		0		0		0		0		0
		7		2		1		1		1		1		0		0		0		0		0		0		0		0
	7		3		1		1		1		1		0		0		0		0		0		0		0		0		0

A249808 as a square array

0	1	1	2	2	3	3	4	4	5	5	6	6	7	7
0	1	1	1	1	1	1	2	2	2	2	2	2	3
0	0	1	1	1	1	1	1	1	1	1	1	1
0	0	0	1	1	1	1	1	1	1	1	1
0	0	0	0	0	0	1	1	1	1	1
0	0	0	0	0	0	0	1	1	1
0	0	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0
0	0	0	0	0	0	0
0	0	0	0	0	0
0	0	0	0	0
0	0	0	0
0	0	0
0	0
0

A249808 as an upper right triangle

0	1	1	2	2	3	3	4	4	5	5	6	6	7	7
	0	1	1	1	1	1	1	2	2	2	2	2	2	3
		0	0	1	1	1	1	1	1	1	1	1	1	1
			0	0	0	1	1	1	1	1	1	1	1	1
				0	0	0	0	0	0	1	1	1	1	1
					0	0	0	0	0	0	0	1	1	1
						0	0	0	0	0	0	0	0	0
							0	0	0	0	0	0	0	0
								0	0	0	0	0	0	0
									0	0	0	0	0	0
										0	0	0	0	0
											0	0	0	0
												0	0	0
													0	0
														0