A256550 - OEIS

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A256550 as a triangular array

1

0 1

0 1 1

0 2 3 1

0 5 12 6 1

0 15 50 40 10 1

0 52 225 250 100 15 1

0 203 1092 1575 875 210 21 1

0 877 5684 10192 7350 2450 392 28 1

0 4140 31572 68208 61152 26460 5880 672 36 1

A256550 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`2`	`5`	`15`	`52`	`203`	`877`	`4140`
`1`	`3`	`12`	`50`	`225`	`1092`	`5684`	`31572`
`1`	`6`	`40`	`250`	`1575`	`10192`	`68208`
`1`	`10`	`100`	`875`	`7350`	`61152`
`1`	`15`	`210`	`2450`	`26460`
`1`	`21`	`392`	`5880`
`1`	`28`	`672`
`1`	`36`
`1`

A256550 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`2`	`5`	`15`	`52`	`203`	`877`	`4140`
		`1`	`3`	`12`	`50`	`225`	`1092`	`5684`	`31572`
			`1`	`6`	`40`	`250`	`1575`	`10192`	`68208`
				`1`	`10`	`100`	`875`	`7350`	`61152`
					`1`	`15`	`210`	`2450`	`26460`
						`1`	`21`	`392`	`5880`
							`1`	`28`	`672`
								`1`	`36`
									`1`

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)