A180870 - OEIS

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A180870 as a triangular array

1

2 1

4 2 -1

8 4 -4 -1

16 8 -12 -4 1

32 16 -32 -12 6 1

64 32 -80 -32 24 6 -1

128 64 -192 -80 80 24 -8 -1

256 128 -448 -192 240 80 -40 -8 1

512 256 -1024 -448 672 240 -160 -40 10 1

A180870 as a square array

`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`	`512`
`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`
`-1`	`-4`	`-12`	`-32`	`-80`	`-192`	`-448`	`-1024`
`-1`	`-4`	`-12`	`-32`	`-80`	`-192`	`-448`
`1`	`6`	`24`	`80`	`240`	`672`
`1`	`6`	`24`	`80`	`240`
`-1`	`-8`	`-40`	`-160`
`-1`	`-8`	`-40`
`1`	`10`
`1`

A180870 as an upper right triangle

`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`	`512`
	`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`
		`-1`	`-4`	`-12`	`-32`	`-80`	`-192`	`-448`	`-1024`
			`-1`	`-4`	`-12`	`-32`	`-80`	`-192`	`-448`
				`1`	`6`	`24`	`80`	`240`	`672`
					`1`	`6`	`24`	`80`	`240`
						`-1`	`-8`	`-40`	`-160`
							`-1`	`-8`	`-40`
								`1`	`10`
									`1`

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Last modified August 10 05:27 EDT 2024. Contains 375044 sequences. (Running on oeis4.)