A123965 - OEIS

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A123965 as a triangular array

1

3 -1

8 -6 1

21 -25 9 -1

55 -90 51 -12 1

144 -300 234 -86 15 -1

377 -954 951 -480 130 -18 1

987 -2939 3573 -2305 855 -183 21 -1

2584 -8850 12707 -10008 4740 -1386 245 -24 1

6765 -26195 43398 -40426 23373 -8715 2100 -316 27 -1

A123965 as a square array

`1`	`3`	`8`	`21`	`55`	`144`	`377`	`987`	`2584`	`6765`
`-1`	`-6`	`-25`	`-90`	`-300`	`-954`	`-2939`	`-8850`	`-26195`
`1`	`9`	`51`	`234`	`951`	`3573`	`12707`	`43398`
`-1`	`-12`	`-86`	`-480`	`-2305`	`-10008`	`-40426`
`1`	`15`	`130`	`855`	`4740`	`23373`
`-1`	`-18`	`-183`	`-1386`	`-8715`
`1`	`21`	`245`	`2100`
`-1`	`-24`	`-316`
`1`	`27`
`-1`

A123965 as an upper right triangle

`1`	`3`	`8`	`21`	`55`	`144`	`377`	`987`	`2584`	`6765`
	`-1`	`-6`	`-25`	`-90`	`-300`	`-954`	`-2939`	`-8850`	`-26195`
		`1`	`9`	`51`	`234`	`951`	`3573`	`12707`	`43398`
			`-1`	`-12`	`-86`	`-480`	`-2305`	`-10008`	`-40426`
				`1`	`15`	`130`	`855`	`4740`	`23373`
					`-1`	`-18`	`-183`	`-1386`	`-8715`
						`1`	`21`	`245`	`2100`
							`-1`	`-24`	`-316`
								`1`	`27`
									`-1`

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Last modified April 19 11:31 EDT 2024. Contains 371792 sequences. (Running on oeis4.)