A122538 - OEIS

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A122538 as a triangular array

1

0 1

0 2 1

0 6 4 1

0 22 16 6 1

0 90 68 30 8 1

0 394 304 146 48 10 1

0 1806 1412 714 264 70 12 1

0 8558 6752 3534 1408 430 96 14 1

0 41586 33028 17718 7432 2490 652 126 16 1

A122538 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`6`	`22`	`90`	`394`	`1806`	`8558`	`41586`
`1`	`4`	`16`	`68`	`304`	`1412`	`6752`	`33028`
`1`	`6`	`30`	`146`	`714`	`3534`	`17718`
`1`	`8`	`48`	`264`	`1408`	`7432`
`1`	`10`	`70`	`430`	`2490`
`1`	`12`	`96`	`652`
`1`	`14`	`126`
`1`	`16`
`1`

A122538 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`6`	`22`	`90`	`394`	`1806`	`8558`	`41586`
		`1`	`4`	`16`	`68`	`304`	`1412`	`6752`	`33028`
			`1`	`6`	`30`	`146`	`714`	`3534`	`17718`
				`1`	`8`	`48`	`264`	`1408`	`7432`
					`1`	`10`	`70`	`430`	`2490`
						`1`	`12`	`96`	`652`
							`1`	`14`	`126`
								`1`	`16`
									`1`

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)