A220399 - OEIS

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A220399 as a triangular array

1

0 1

0 2 1

0 3 4 1

0 3 10 6 1

0 0 18 21 8 1

0 -9 21 53 36 10 1

0 -27 0 99 116 55 12 1

0 -54 -81 117 286 215 78 14 1

0 -81 -270 -27 528 650 358 105 16 1

A220399 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`3`	`3`	`0`	`-9`	`-27`	`-54`	`-81`
`1`	`4`	`10`	`18`	`21`	`0`	`-81`	`-270`
`1`	`6`	`21`	`53`	`99`	`117`	`-27`
`1`	`8`	`36`	`116`	`286`	`528`
`1`	`10`	`55`	`215`	`650`
`1`	`12`	`78`	`358`
`1`	`14`	`105`
`1`	`16`
`1`

A220399 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`3`	`3`	`0`	`-9`	`-27`	`-54`	`-81`
		`1`	`4`	`10`	`18`	`21`	`0`	`-81`	`-270`
			`1`	`6`	`21`	`53`	`99`	`117`	`-27`
				`1`	`8`	`36`	`116`	`286`	`528`
					`1`	`10`	`55`	`215`	`650`
						`1`	`12`	`78`	`358`
							`1`	`14`	`105`
								`1`	`16`
									`1`

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Last modified April 24 12:51 EDT 2024. Contains 371943 sequences. (Running on oeis4.)