A143266 - OEIS

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A143266 as a triangular array

1

1 1

0 1 1

0 1 4 4

0 0 4 28 28

0 0 0 76 550 550

0 0 0 0 4465 28456 28456

0 0 0 0 1 828038 4134861 4134861

0 0 0 0 0 4205 473635054 1781622569 1781622569

A143266 as a square array

`1`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`1`	`0`	`0`	`0`	`0`	`0`
`1`	`4`	`4`	`0`	`0`	`0`	`0`
`4`	`28`	`76`	`0`	`0`	`0`
`28`	`550`	`4465`	`1`	`0`
`550`	`28456`	`828038`	`4205`
`28456`	`4134861`	`473635054`
`4134861`	`1781622569`
`1781622569`

A143266 as an upper right triangle

`1`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`1`	`0`	`0`	`0`	`0`	`0`
		`1`	`4`	`4`	`0`	`0`	`0`	`0`
			`4`	`28`	`76`	`0`	`0`	`0`
				`28`	`550`	`4465`	`1`	`0`
					`550`	`28456`	`828038`	`4205`
						`28456`	`4134861`	`473635054`
							`4134861`	`1781622569`
								`1781622569`

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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)