A151509 - OEIS

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A151509 as a triangular array

1

0 1

0 1 1

0 1 3 1

0 1 7 6 1

0 1 15 25 10 1

0 0 31 90 65 15 1

0 0 56 301 350 140 21 1

0 0 91 938 1701 1050 266 28 1

0 0 126 2737 7686 6951 2646 462 36 1

0 0 126 7455 32725 42315 22827 5880 750 45 1

0 0 0 18711 132055

A151509 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`1`	`1`	`1`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`3`	`7`	`15`	`31`	`56`	`91`	`126`	`126`	`0`
`1`	`6`	`25`	`90`	`301`	`938`	`2737`	`7455`	`18711`
`1`	`10`	`65`	`350`	`1701`	`7686`	`32725`	`132055`
`1`	`15`	`140`	`1050`	`6951`	`42315`
`1`	`21`	`266`	`2646`	`22827`
`1`	`28`	`462`	`5880`
`1`	`36`	`750`
`1`	`45`
`1`

A151509 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`1`	`1`	`1`	`0`	`0`	`0`	`0`	`0`	`0`
		`1`	`3`	`7`	`15`	`31`	`56`	`91`	`126`	`126`	`0`
			`1`	`6`	`25`	`90`	`301`	`938`	`2737`	`7455`	`18711`
				`1`	`10`	`65`	`350`	`1701`	`7686`	`32725`	`132055`
					`1`	`15`	`140`	`1050`	`6951`	`42315`
						`1`	`21`	`266`	`2646`	`22827`
							`1`	`28`	`462`	`5880`
								`1`	`36`	`750`
									`1`	`45`
										`1`

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Last modified August 28 11:15 EDT 2024. Contains 375494 sequences. (Running on oeis4.)