A109906 - OEIS

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A109906 as a triangular array

1

1 1

2 2 2

3 6 6 3

5 12 24 12 5

8 25 60 60 25 8

13 48 150 180 150 48 13

21 91 336 525 525 336 91 21

34 168 728 1344 1750 1344 728 168 34

55 306 1512 3276 5040 5040 3276 1512 306 55

89 550 3060 7560 13650 16128 13650 7560 3060 550 89

A109906 as a square array

`1`	`1`	`2`	`3`	`5`	`8`	`13`	`21`	`34`	`55`	`89`
`1`	`2`	`6`	`12`	`25`	`48`	`91`	`168`	`306`	`550`
`2`	`6`	`24`	`60`	`150`	`336`	`728`	`1512`	`3060`
`3`	`12`	`60`	`180`	`525`	`1344`	`3276`	`7560`
`5`	`25`	`150`	`525`	`1750`	`5040`	`13650`
`8`	`48`	`336`	`1344`	`5040`	`16128`
`13`	`91`	`728`	`3276`	`13650`
`21`	`168`	`1512`	`7560`
`34`	`306`	`3060`
`55`	`550`
`89`

A109906 as an upper right triangle

`1`	`1`	`2`	`3`	`5`	`8`	`13`	`21`	`34`	`55`	`89`
	`1`	`2`	`6`	`12`	`25`	`48`	`91`	`168`	`306`	`550`
		`2`	`6`	`24`	`60`	`150`	`336`	`728`	`1512`	`3060`
			`3`	`12`	`60`	`180`	`525`	`1344`	`3276`	`7560`
				`5`	`25`	`150`	`525`	`1750`	`5040`	`13650`
					`8`	`48`	`336`	`1344`	`5040`	`16128`
						`13`	`91`	`728`	`3276`	`13650`
							`21`	`168`	`1512`	`7560`
								`34`	`306`	`3060`
									`55`	`550`
										`89`

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)