A098503 - OEIS

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A098503 as a triangular array

1

-2 3

4 -20 15

-8 84 -210 105

16 -288 1512 -2520 945

-32 880 -7920 27720 -34650 10395

64 -2496 34320 -205920 540540 -540540 135135

-128 6720 -131040 1201200 -5405400 11351340 -9459450 2027025

256 -17408

A098503 as a square array

`1`	`-2`	`4`	`-8`	`16`	`-32`	`64`	`-128`	`256`
`3`	`-20`	`84`	`-288`	`880`	`-2496`	`6720`	`-17408`
`15`	`-210`	`1512`	`-7920`	`34320`	`-131040`
`105`	`-2520`	`27720`	`-205920`	`1201200`
`945`	`-34650`	`540540`	`-5405400`
`10395`	`-540540`	`11351340`
`135135`	`-9459450`
`2027025`

A098503 as an upper right triangle

`1`	`-2`	`4`	`-8`	`16`	`-32`	`64`	`-128`	`256`
	`3`	`-20`	`84`	`-288`	`880`	`-2496`	`6720`	`-17408`
		`15`	`-210`	`1512`	`-7920`	`34320`	`-131040`
			`105`	`-2520`	`27720`	`-205920`	`1201200`
				`945`	`-34650`	`540540`	`-5405400`
					`10395`	`-540540`	`11351340`
						`135135`	`-9459450`
							`2027025`

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Last modified May 16 12:32 EDT 2024. Contains 372552 sequences. (Running on oeis4.)