A238123 - OEIS

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A238123 as a triangular array

1

0 1

0 1 1

0 3 0 1

0 7 2 0 1

0 20 5 0 0 1

0 56 14 5 0 0 1

0 182 35 14 0 0 0 1

0 589 132 28 14 0 0 0 1

0 2088 399 90 42 0 0 0 0 1

0 7522 1556 285 90 42 0 0 0 0 1

0 28820 5346 1232 165 132 0 0 0 0 0 1

A238123 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`3`	`7`	`20`	`56`	`182`	`589`	`2088`	`7522`	`28820`
`1`	`0`	`2`	`5`	`14`	`35`	`132`	`399`	`1556`	`5346`
`1`	`0`	`0`	`5`	`14`	`28`	`90`	`285`	`1232`
`1`	`0`	`0`	`0`	`14`	`42`	`90`	`165`
`1`	`0`	`0`	`0`	`0`	`42`	`132`
`1`	`0`	`0`	`0`	`0`	`0`
`1`	`0`	`0`	`0`	`0`
`1`	`0`	`0`	`0`
`1`	`0`	`0`
`1`	`0`
`1`

A238123 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`3`	`7`	`20`	`56`	`182`	`589`	`2088`	`7522`	`28820`
		`1`	`0`	`2`	`5`	`14`	`35`	`132`	`399`	`1556`	`5346`
			`1`	`0`	`0`	`5`	`14`	`28`	`90`	`285`	`1232`
				`1`	`0`	`0`	`0`	`14`	`42`	`90`	`165`
					`1`	`0`	`0`	`0`	`0`	`42`	`132`
						`1`	`0`	`0`	`0`	`0`	`0`
							`1`	`0`	`0`	`0`	`0`
								`1`	`0`	`0`	`0`
									`1`	`0`	`0`
										`1`	`0`
											`1`

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Last modified April 17 22:02 EDT 2024. Contains 371767 sequences. (Running on oeis4.)