A144159 - OEIS

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A144159 as a triangular array

										1
									1		1
								2		1		2
							2		2		2		5
						3		2		4		5		11
					3		3		4		10		11		25
				4		3		6		10		22		25		56
			4		4		6		15		22		50		56		126
		5		4		8		15		33		50		112		126		283
	5		5		8		20		33		75		112		252		283		636

A144159 as a square array

1	1	2	2	3	3	4	4	5	5
1	1	2	2	3	3	4	4	5
2	2	4	4	6	6	8	8
5	5	10	10	15	15	20
11	11	22	22	33	33
25	25	50	50	75
56	56	112	112
126	126	252
283	283
636

A144159 as an upper right triangle

1	1	2	2	3	3	4	4	5	5
	1	1	2	2	3	3	4	4	5
		2	2	4	4	6	6	8	8
			5	5	10	10	15	15	20
				11	11	22	22	33	33
					25	25	50	50	75
						56	56	112	112
							126	126	252
								283	283
									636