A328887 - OEIS

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A328887 as a triangular array

1

1 1

1 2 1

1 4 4 1

1 8 15 8 1

1 16 54 54 16 1

1 32 189 328 189 32 1

1 64 648 1856 1856 648 64 1

1 128 2187 9984 16145 9984 2187 128 1

1 256 7290 51712 129000 129000 51712 7290 256 1

1 512 24057 260096 968125 1475856 968125 260096 24057 512 1

A328887 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`	`512`
`1`	`4`	`15`	`54`	`189`	`648`	`2187`	`7290`	`24057`
`1`	`8`	`54`	`328`	`1856`	`9984`	`51712`	`260096`
`1`	`16`	`189`	`1856`	`16145`	`129000`	`968125`
`1`	`32`	`648`	`9984`	`129000`	`1475856`
`1`	`64`	`2187`	`51712`	`968125`
`1`	`128`	`7290`	`260096`
`1`	`256`	`24057`
`1`	`512`
`1`

A328887 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`	`512`
		`1`	`4`	`15`	`54`	`189`	`648`	`2187`	`7290`	`24057`
			`1`	`8`	`54`	`328`	`1856`	`9984`	`51712`	`260096`
				`1`	`16`	`189`	`1856`	`16145`	`129000`	`968125`
					`1`	`32`	`648`	`9984`	`129000`	`1475856`
						`1`	`64`	`2187`	`51712`	`968125`
							`1`	`128`	`7290`	`260096`
								`1`	`256`	`24057`
									`1`	`512`
										`1`

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Last modified June 12 23:56 EDT 2024. Contains 373362 sequences. (Running on oeis4.)