A253146 - OEIS

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A253146 as a triangular array

												1
											2		3
										4		1		5
									6		2		3		7
								8		4		1		5		9
							10		6		2		3		7		11
						12		8		4		1		5		9		13
					14		10		6		2		3		7		11		15
				16		12		8		4		1		5		9		13		17
			18		14		10		6		2		3		7		11		15		19
		20		16		12		8		4		1		5		9		13		17		21
	22		18		14		10		6		2		3		7		11		15		19		23

A253146 as a square array

1	2	4	6	8	10	12	14	16	18	20	22
3	1	2	4	6	8	10	12	14	16	18
5	3	1	2	4	6	8	10	12	14
7	5	3	1	2	4	6	8	10
9	7	5	3	1	2	4	6
11	9	7	5	3	1	2
13	11	9	7	5	3
15	13	11	9	7
17	15	13	11
19	17	15
21	19
23

A253146 as an upper right triangle

1	2	4	6	8	10	12	14	16	18	20	22
	3	1	2	4	6	8	10	12	14	16	18
		5	3	1	2	4	6	8	10	12	14
			7	5	3	1	2	4	6	8	10
				9	7	5	3	1	2	4	6
					11	9	7	5	3	1	2
						13	11	9	7	5	3
							15	13	11	9	7
								17	15	13	11
									19	17	15
										21	19
											23