A089980 - OEIS

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A089980 as a triangular array

1

1 1

1 2 1

1 3 3 1

1 5 7 5 1

1 8 17 17 8 1

1 13 41 63 41 13 1

1 21 99 227 227 99 21 1

1 34 239 827 1234 827 239 34 1

1 55 577 2999 6743 6743 2999 577 55 1

1 89 1393 10897 36787 55447 36787 10897 1393 89 1

A089980 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`2`	`3`	`5`	`8`	`13`	`21`	`34`	`55`	`89`
`1`	`3`	`7`	`17`	`41`	`99`	`239`	`577`	`1393`
`1`	`5`	`17`	`63`	`227`	`827`	`2999`	`10897`
`1`	`8`	`41`	`227`	`1234`	`6743`	`36787`
`1`	`13`	`99`	`827`	`6743`	`55447`
`1`	`21`	`239`	`2999`	`36787`
`1`	`34`	`577`	`10897`
`1`	`55`	`1393`
`1`	`89`
`1`

A089980 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`2`	`3`	`5`	`8`	`13`	`21`	`34`	`55`	`89`
		`1`	`3`	`7`	`17`	`41`	`99`	`239`	`577`	`1393`
			`1`	`5`	`17`	`63`	`227`	`827`	`2999`	`10897`
				`1`	`8`	`41`	`227`	`1234`	`6743`	`36787`
					`1`	`13`	`99`	`827`	`6743`	`55447`
						`1`	`21`	`239`	`2999`	`36787`
							`1`	`34`	`577`	`10897`
								`1`	`55`	`1393`
									`1`	`89`
										`1`

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Last modified May 20 10:16 EDT 2024. Contains 372710 sequences. (Running on oeis4.)