A080419 - OEIS

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A080419 as a triangular array

1

4 1

15 7 1

54 36 10 1

189 162 66 13 1

648 675 360 105 16 1

2187 2673 1755 675 153 19 1

7290 10206 7938 3780 1134 210 22 1

24057 37908 34020 19278 7182 1764 276 25 1

78732 137781 139968 91854 40824 12474 2592

A080419 as a square array

`1`	`4`	`15`	`54`	`189`	`648`	`2187`	`7290`	`24057`	`78732`
`1`	`7`	`36`	`162`	`675`	`2673`	`10206`	`37908`	`137781`
`1`	`10`	`66`	`360`	`1755`	`7938`	`34020`	`139968`
`1`	`13`	`105`	`675`	`3780`	`19278`	`91854`
`1`	`16`	`153`	`1134`	`7182`	`40824`
`1`	`19`	`210`	`1764`	`12474`
`1`	`22`	`276`	`2592`
`1`	`25`
`1`

A080419 as an upper right triangle

`1`	`4`	`15`	`54`	`189`	`648`	`2187`	`7290`	`24057`	`78732`
	`1`	`7`	`36`	`162`	`675`	`2673`	`10206`	`37908`	`137781`
		`1`	`10`	`66`	`360`	`1755`	`7938`	`34020`	`139968`
			`1`	`13`	`105`	`675`	`3780`	`19278`	`91854`
				`1`	`16`	`153`	`1134`	`7182`	`40824`
					`1`	`19`	`210`	`1764`	`12474`
						`1`	`22`	`276`	`2592`
							`1`	`25`
								`1`

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)