A261642 - OEIS

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A261642 as a triangular array

									1
								2		1
							4		6		1
						8		36		12		1
					16		216		144		20		1
				32		1296		1728		400		30		1
			64		7776		20736		8000		900		42		1
		128		46656		248832		160000		27000		1764		56		1
	256		279936		2985984		3200000		810000		74088		3136		72		1
512		1679616		35831808		64000000		24300000		3111696		175616		5184		90		1

A261642 as a square array

1	2	4	8	16	32	64	128	256	512
1	6	36	216	1296	7776	46656	279936	1679616
1	12	144	1728	20736	248832	2985984	35831808
1	20	400	8000	160000	3200000	64000000
1	30	900	27000	810000	24300000
1	42	1764	74088	3111696
1	56	3136	175616
1	72	5184
1	90
1

A261642 as an upper right triangle

1	2	4	8	16	32	64	128	256	512
	1	6	36	216	1296	7776	46656	279936	1679616
		1	12	144	1728	20736	248832	2985984	35831808
			1	20	400	8000	160000	3200000	64000000
				1	30	900	27000	810000	24300000
					1	42	1764	74088	3111696
						1	56	3136	175616
							1	72	5184
								1	90
									1