A321960 - OEIS

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A321960 as a triangular array

1

0 1

0 1 1

0 2 2 1

0 5 6 3 1

0 15 22 12 4 1

0 52 92 57 20 5 1

0 203 426 303 116 30 6 1

0 877 2146 1752 744 205 42 7 1

0 4140 11624 10845 5140 1535 330 56 8 1

0 21147 67146 71139 37676 12300 2820 497 72 9 1

A321960 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`2`	`5`	`15`	`52`	`203`	`877`	`4140`	`21147`
`1`	`2`	`6`	`22`	`92`	`426`	`2146`	`11624`	`67146`
`1`	`3`	`12`	`57`	`303`	`1752`	`10845`	`71139`
`1`	`4`	`20`	`116`	`744`	`5140`	`37676`
`1`	`5`	`30`	`205`	`1535`	`12300`
`1`	`6`	`42`	`330`	`2820`
`1`	`7`	`56`	`497`
`1`	`8`	`72`
`1`	`9`
`1`

A321960 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`1`	`2`	`5`	`15`	`52`	`203`	`877`	`4140`	`21147`
		`1`	`2`	`6`	`22`	`92`	`426`	`2146`	`11624`	`67146`
			`1`	`3`	`12`	`57`	`303`	`1752`	`10845`	`71139`
				`1`	`4`	`20`	`116`	`744`	`5140`	`37676`
					`1`	`5`	`30`	`205`	`1535`	`12300`
						`1`	`6`	`42`	`330`	`2820`
							`1`	`7`	`56`	`497`
								`1`	`8`	`72`
									`1`	`9`
										`1`

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