A280027 - OEIS

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A280027 as a triangular array

1

1 2

4 7 13

23 42 76 146

239 441 852 1389 2536

4971 9832 15312 27964 54801 108787

169086 308758 603612 1201837 2397202 3656904 6687912

13067709 25998877 51918269 79176868 144799285 282915788 562653823 1124083053

2246758839

A280027 as a square array

`1`	`1`	`4`	`23`	`239`	`4971`	`169086`	`13067709`	`2246758839`
`2`	`7`	`42`	`441`	`9832`	`308758`	`25998877`
`13`	`76`	`852`	`15312`	`603612`	`51918269`
`146`	`1389`	`27964`	`1201837`	`79176868`
`2536`	`54801`	`2397202`	`144799285`
`108787`	`3656904`	`282915788`
`6687912`	`562653823`
`1124083053`

A280027 as an upper right triangle

`1`	`1`	`4`	`23`	`239`	`4971`	`169086`	`13067709`	`2246758839`
	`2`	`7`	`42`	`441`	`9832`	`308758`	`25998877`
		`13`	`76`	`852`	`15312`	`603612`	`51918269`
			`146`	`1389`	`27964`	`1201837`	`79176868`
				`2536`	`54801`	`2397202`	`144799285`
					`108787`	`3656904`	`282915788`
						`6687912`	`562653823`
							`1124083053`

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Last modified April 25 13:41 EDT 2024. Contains 371970 sequences. (Running on oeis4.)