A039991 as tables, graphs or sounds - OEIS

A039991 formatted as a triangular array:

1

1 0

2 0 -1

4 0 -3 0

8 0 -8 0 1

16 0 -20 0 5 0

32 0 -48 0 18 0 -1

64 0 -112 0 56 0 -7 0

128 0 -256 0 160 0 -32 0 1

256 0 -576 0 432 0 -120 0 9 0

512 0 -1280 0 1120 0 -400 0 50 0 -1

A039991 formatted as a square array:

`1`	`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`	`512`
`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`-1`	`-3`	`-8`	`-20`	`-48`	`-112`	`-256`	`-576`	`-1280`
`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`5`	`18`	`56`	`160`	`432`	`1120`
`0`	`0`	`0`	`0`	`0`	`0`
`-1`	`-7`	`-32`	`-120`	`-400`
`0`	`0`	`0`	`0`
`1`	`9`	`50`
`0`	`0`
`-1`

A039991 formatted as an upper right triangle:

`1`	`1`	`2`	`4`	`8`	`16`	`32`	`64`	`128`	`256`	`512`
	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`-1`	`-3`	`-8`	`-20`	`-48`	`-112`	`-256`	`-576`	`-1280`
			`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
				`1`	`5`	`18`	`56`	`160`	`432`	`1120`
					`0`	`0`	`0`	`0`	`0`	`0`
						`-1`	`-7`	`-32`	`-120`	`-400`
							`0`	`0`	`0`	`0`
								`1`	`9`	`50`
									`0`	`0`
										`-1`

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.

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