A201503 - OEIS

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A201503 as a triangular array

													2
												1		1
											2		2		2
										1		2		2		1
									2		3		6		3		2
								1		3		5		5		3		1
							2		4		12		8		12		4		2
						1		4		8		12		12		8		4		1
					2		5		20		18		40		18		20		5		2
				1		5		13		24		32		32		24		13		5		1
			2		6		30		33		98		58		98		33		30		6		2
		1		6		18		43		73		94		94		73		43		18		6		1
	2		7		42		55		204		151		338		151		204

A201503 as a square array

2	1	2	1	2	1	2	1	2	1	2	1	2
1	2	2	3	3	4	4	5	5	6	6	7
2	2	6	5	12	8	20	13	30	18	42
1	3	5	8	12	18	24	33	43	55
2	3	12	12	40	32	98	73	204
1	4	8	18	32	58	94	151
2	4	20	24	98	94	338
1	5	13	33	73	151
2	5	30	43	204
1	6	18
2	6
1

A201503 as an upper right triangle

2	1	2	1	2	1	2	1	2	1	2	1	2
	1	2	2	3	3	4	4	5	5	6	6	7
		2	2	6	5	12	8	20	13	30	18	42
			1	3	5	8	12	18	24	33	43	55
				2	3	12	12	40	32	98	73	204
					1	4	8	18	32	58	94	151
						2	4	20	24	98	94	338
							1	5	13	33	73	151
								2	5	30	43	204
									1	6	18
										2	6
											1