A239405 - OEIS

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A239405 as a triangular array

									2
								4		5
							8		23		12
						16		105		129		28
					32		478		1337		698		66
				64		2165		13977		16449		3805		156
			128		9811		144762		394509		205969		20818		368
		256		44399		1504399		9340070		11334364		2590704		113774		868
	512		201006		15591122		222457036		614216271

A239405 as a square array

2	4	8	16	32	64	128	256	512
5	23	105	478	2165	9811	44399	201006
12	129	1337	13977	144762	1504399	15591122
28	698	16449	394509	9340070	222457036
66	3805	205969	11334364	614216271
156	20818	2590704
368	113774
868

A239405 as an upper right triangle

2	4	8	16	32	64	128	256	512
	5	23	105	478	2165	9811	44399	201006
		12	129	1337	13977	144762	1504399	15591122
			28	698	16449	394509	9340070	222457036
				66	3805	205969	11334364	614216271
					156	20818	2590704
						368	113774
							868