A302820 - OEIS

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A302820 as a triangular array

										1
									2		2
								4		8		4
							8		20		25		8
						16		52		75		81		16
					32		136		220		389		264		32
				64		360		731		1494		1852		857		64
			128		960		2419		6905		9050		8485		2785		128
		256		2576		7900		34957		57684		51476		41247		9050		256
	512		6944		25645		170262		455224		454733

A302820 as a square array

1	2	4	8	16	32	64	128	256	512
2	8	20	52	136	360	960	2576	6944
4	25	75	220	731	2419	7900	25645
8	81	389	1494	6905	34957	170262
16	264	1852	9050	57684	455224
32	857	8485	51476	454733
64	2785	41247
128	9050
256

A302820 as an upper right triangle

1	2	4	8	16	32	64	128	256	512
	2	8	20	52	136	360	960	2576	6944
		4	25	75	220	731	2419	7900	25645
			8	81	389	1494	6905	34957	170262
				16	264	1852	9050	57684	455224
					32	857	8485	51476	454733
						64	2785	41247
							128	9050
								256