A127677 - OEIS

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A127677 as a triangular array

2

-2 1

2 -4 1

-2 9 -6 1

2 -16 20 -8 1

-2 25 -50 35 -10 1

2 -36 105 -112 54 -12 1

-2 49 -196 294 -210 77 -14 1

2 -64 336 -672 660 -352 104 -16 1

-2 81 -540 1386 -1782 1287 -546 135 -18 1

2 -100 825 -2640 4290 -4004 2275 -800 170 -20 1

A127677 as a square array

`2`	`-2`	`2`	`-2`	`2`	`-2`	`2`	`-2`	`2`	`-2`	`2`
`1`	`-4`	`9`	`-16`	`25`	`-36`	`49`	`-64`	`81`	`-100`
`1`	`-6`	`20`	`-50`	`105`	`-196`	`336`	`-540`	`825`
`1`	`-8`	`35`	`-112`	`294`	`-672`	`1386`	`-2640`
`1`	`-10`	`54`	`-210`	`660`	`-1782`	`4290`
`1`	`-12`	`77`	`-352`	`1287`	`-4004`
`1`	`-14`	`104`	`-546`	`2275`
`1`	`-16`	`135`	`-800`
`1`	`-18`	`170`
`1`	`-20`
`1`

A127677 as an upper right triangle

`2`	`-2`	`2`	`-2`	`2`	`-2`	`2`	`-2`	`2`	`-2`	`2`
	`1`	`-4`	`9`	`-16`	`25`	`-36`	`49`	`-64`	`81`	`-100`
		`1`	`-6`	`20`	`-50`	`105`	`-196`	`336`	`-540`	`825`
			`1`	`-8`	`35`	`-112`	`294`	`-672`	`1386`	`-2640`
				`1`	`-10`	`54`	`-210`	`660`	`-1782`	`4290`
					`1`	`-12`	`77`	`-352`	`1287`	`-4004`
						`1`	`-14`	`104`	`-546`	`2275`
							`1`	`-16`	`135`	`-800`
								`1`	`-18`	`170`
									`1`	`-20`
										`1`

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)