A140183 - OEIS

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A140183 as a triangular array

											1
										2		2
									3		5		1
								4		9		4		2
							5		14		10		9		1
						6		20		20		25		6		2
					7		27		35		55		21		13		1
				8		35		56		105		56		49		8		2
			9		44		84		182		126		140		36		17		1
		10		54		120		294		252		336		120		81		10		2
	1		65		165		450		462		714		330		285		55		21		1

A140183 as a square array

1	2	3	4	5	6	7	8	9	10	1
2	5	9	14	20	27	35	44	54	65
1	4	10	20	35	56	84	120	165
2	9	25	55	105	182	294	450
1	6	21	56	126	252	462
2	13	49	140	336	714
1	8	36	120	330
2	17	81	285
1	10	55
2	21
1

A140183 as an upper right triangle

1	2	3	4	5	6	7	8	9	10	1
	2	5	9	14	20	27	35	44	54	65
		1	4	10	20	35	56	84	120	165
			2	9	25	55	105	182	294	450
				1	6	21	56	126	252	462
					2	13	49	140	336	714
						1	8	36	120	330
							2	17	81	285
								1	10	55
									2	21
										1