A050142 - OEIS

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A050142 as a triangular array

								1
							1		1
						1		1		1
					2		2		2		3
				2		3		4		6		9
			4		6		6		9		12		18
		8		8		12		18		22		33		38
	16		16		22		28		42

A050142 as a square array

1	1	1	2	2	4	8	16
1	1	2	3	6	8	16
1	2	4	6	12	22
3	6	9	18	28
9	12	22	42
18	33
38

A050142 as an upper right triangle

1	1	1	2	2	4	8	16
	1	1	2	3	6	8	16
		1	2	4	6	12	22
			3	6	9	18	28
				9	12	22	42
					18	33
						38