A240484 - OEIS

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A240484 as a triangular array

										1
									2		2
								4		8		4
							8		25		25		8
						16		81		122		81		16
					32		264		578		578		264		32
				64		857		2753		4104		2753		857		64
			128		2785		13147		29084		29084		13147		2785		128
		256		9050		62781		205754		306749		205754		62781		9050		256
	512		29407		299758		1455916

A240484 as a square array

1	2	4	8	16	32	64	128	256	512
2	8	25	81	264	857	2785	9050	29407
4	25	122	578	2753	13147	62781	299758
8	81	578	4104	29084	205754	1455916
16	264	2753	29084	306749
32	857	13147	205754
64	2785	62781
128	9050
256

A240484 as an upper right triangle

1	2	4	8	16	32	64	128	256	512
	2	8	25	81	264	857	2785	9050	29407
		4	25	122	578	2753	13147	62781	299758
			8	81	578	4104	29084	205754	1455916
				16	264	2753	29084	306749
					32	857	13147	205754
						64	2785	62781
							128	9050
								256