A101030 - OEIS

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A101030 as a triangular array

0

0 2

0 2 21

0 2 45 232

0 2 93 784 3005

0 2 189 2536 13825 45936

0 2 381 7984 61325 264816 818503

0 2 765 24712 264625 1488096 5623681 16736896

0 2 1533 75664 1119005 8172576 38025127 132766208 387057609

0

A101030 as a square array

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`
`21`	`45`	`93`	`189`	`381`	`765`	`1533`
`232`	`784`	`2536`	`7984`	`24712`	`75664`
`3005`	`13825`	`61325`	`264625`	`1119005`
`45936`	`264816`	`1488096`	`8172576`
`818503`	`5623681`	`38025127`
`16736896`	`132766208`
`387057609`

A101030 as an upper right triangle

`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`2`	`2`	`2`	`2`	`2`	`2`	`2`	`2`
		`21`	`45`	`93`	`189`	`381`	`765`	`1533`
			`232`	`784`	`2536`	`7984`	`24712`	`75664`
				`3005`	`13825`	`61325`	`264625`	`1119005`
					`45936`	`264816`	`1488096`	`8172576`
						`818503`	`5623681`	`38025127`
							`16736896`	`132766208`
								`387057609`

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Last modified April 16 18:51 EDT 2024. Contains 371750 sequences. (Running on oeis4.)