A340261 - OEIS

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A340261 as a triangular array

													0
												0		0
											0		1		1
										0		0		1		1
									0		1		2		3		3
								0		0		0		1		2		2
							0		1		2		3		4		5		5
						0		0		1		1		2		3		4		4
					0		1		1		2		3		4		5		6		6
				0		0		1		2		2		3		4		5		6		6
			0		1		2		3		4		5		6		7		8		9		9
		0		0		0		0		1		1		2		3		4		5		6		6
	0		1		2		3		4		5		6		7		8		9		10		11		11

A340261 as a square array

0	0	0	0	0	0	0	0	0	0	0	0	0
0	1	0	1	0	1	0	1	0	1	0	1
1	1	2	0	2	1	1	1	2	0	2
1	3	1	3	1	2	2	3	0	3
3	2	4	2	3	2	4	1	4
2	5	3	4	3	5	1	5
5	4	5	4	6	2	6
4	6	5	7	3	7
6	6	8	4	8
6	9	5	9
9	6	10
6	11
11

A340261 as an upper right triangle

0	0	0	0	0	0	0	0	0	0	0	0	0
	0	1	0	1	0	1	0	1	0	1	0	1
		1	1	2	0	2	1	1	1	2	0	2
			1	3	1	3	1	2	2	3	0	3
				3	2	4	2	3	2	4	1	4
					2	5	3	4	3	5	1	5
						5	4	5	4	6	2	6
							4	6	5	7	3	7
								6	6	8	4	8
									6	9	5	9
										9	6	10
											6	11
												11