A113072 - OEIS

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A113072 as a triangular array

														1
													2		2
												1		4		3
											0		2		6		4
										0		0		3		8		5
									0		0		0		4		10		6
								0		0		0		0		5		12		7
							0		0		0		0		0		6		14		8
						0		0		0		0		0		0		7		16		9
					0		0		0		0		0		0		0		8		18		10
				0		0		0		0		0		0		0		0		9		20		11
			0		0		0		0		0		0		0		0		0		10		22		12
		0		0		0		0		0		0		0		0		0		0		11		24		13
	0		0		0		0		0		0		0

A113072 as a square array

1	2	1	0	0	0	0	0	0	0	0	0	0	0
2	4	2	0	0	0	0	0	0	0	0	0	0
3	6	3	0	0	0	0	0	0	0	0	0
4	8	4	0	0	0	0	0	0	0	0
5	10	5	0	0	0	0	0	0	0
6	12	6	0	0	0	0	0	0
7	14	7	0	0	0	0	0
8	16	8	0	0	0
9	18	9	0	0
10	20	10	0
11	22	11
12	24
13

A113072 as an upper right triangle

1	2	1	0	0	0	0	0	0	0	0	0	0	0
	2	4	2	0	0	0	0	0	0	0	0	0	0
		3	6	3	0	0	0	0	0	0	0	0	0
			4	8	4	0	0	0	0	0	0	0	0
				5	10	5	0	0	0	0	0	0	0
					6	12	6	0	0	0	0	0	0
						7	14	7	0	0	0	0	0
							8	16	8	0	0	0
								9	18	9	0	0
									10	20	10	0
										11	22	11
											12	24
												13