A127709 - OEIS

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A127709 as a triangular array

1

0 1

0 2 1

0 1 4 1

0 1 7 9 1

0 0 4 28 15 1

0 0 2 47 91 26 1

0 0 0 27 268 257 40 1

0 0 0 10 312 1318 643 62 1

0 0 0 1 137 2807 5347 1511 91 1

0 0 0 1 35 2204 19516 19453 3331

A127709 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`2`	`1`	`1`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`4`	`7`	`4`	`2`	`0`	`0`	`0`	`0`
`1`	`9`	`28`	`47`	`27`	`10`	`1`	`1`
`1`	`15`	`91`	`268`	`312`	`137`	`35`
`1`	`26`	`257`	`1318`	`2807`	`2204`
`1`	`40`	`643`	`5347`	`19516`
`1`	`62`	`1511`	`19453`
`1`	`91`	`3331`
`1`

A127709 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`2`	`1`	`1`	`0`	`0`	`0`	`0`	`0`	`0`
		`1`	`4`	`7`	`4`	`2`	`0`	`0`	`0`	`0`
			`1`	`9`	`28`	`47`	`27`	`10`	`1`	`1`
				`1`	`15`	`91`	`268`	`312`	`137`	`35`
					`1`	`26`	`257`	`1318`	`2807`	`2204`
						`1`	`40`	`643`	`5347`	`19516`
							`1`	`62`	`1511`	`19453`
								`1`	`91`	`3331`
									`1`

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Last modified May 13 12:32 EDT 2024. Contains 372519 sequences. (Running on oeis4.)