A218875 - OEIS

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A218875 as a triangular array

											2
										2		0
									4		2		0
								6		4		2		0
							10		12		4		2		0
						20		20		8		4		2		0
					36		52		20		8		4		2		0
				72		98		36		16		8		4		2		0
			142		214		76		36		16		8		4		2		0
		280		414		160		68		32		16		8		4		2		0
	560		870		326		140		68		32		16		8		4		2		0
1114		1720		640		276		132		64		32		16		8		4		2		0

A218875 as a square array

2	2	4	6	10	20	36	72	142	280	560	1114
0	2	4	12	20	52	98	214	414	870	1720
0	2	4	8	20	36	76	160	326	640
0	2	4	8	16	36	68	140	276
0	2	4	8	16	32	68	132
0	2	4	8	16	32	64
0	2	4	8	16	32
0	2	4	8	16
0	2	4	8
0	2	4
0	2
0

A218875 as an upper right triangle

2	2	4	6	10	20	36	72	142	280	560	1114
	0	2	4	12	20	52	98	214	414	870	1720
		0	2	4	8	20	36	76	160	326	640
			0	2	4	8	16	36	68	140	276
				0	2	4	8	16	32	68	132
					0	2	4	8	16	32	64
						0	2	4	8	16	32
							0	2	4	8	16
								0	2	4	8
									0	2	4
										0	2
											0