A171871 - OEIS

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A171871 as a triangular array

1

0 1

0 0 1

0 0 1 2

0 0 0 3 3

0 0 0 3 17 6

0 0 0 1 36 74 11

0 0 0 1 60 573 358 23

0 0 0 0 56 2802 7311 1631 47

0 0 0 0 50 10087 107938 83170 7563 106

0 0 0 0 27 26512 1186969 3121840 866657 34751 235

0 0 0 0 19

A171871 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`2`	`3`	`3`	`1`	`1`	`0`	`0`	`0`	`0`
`3`	`17`	`36`	`60`	`56`	`50`	`27`	`19`
`6`	`74`	`573`	`2802`	`10087`	`26512`
`11`	`358`	`7311`	`107938`	`1186969`
`23`	`1631`	`83170`	`3121840`
`47`	`7563`	`866657`
`106`	`34751`
`235`

A171871 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`1`	`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
			`2`	`3`	`3`	`1`	`1`	`0`	`0`	`0`	`0`
				`3`	`17`	`36`	`60`	`56`	`50`	`27`	`19`
					`6`	`74`	`573`	`2802`	`10087`	`26512`
						`11`	`358`	`7311`	`107938`	`1186969`
							`23`	`1631`	`83170`	`3121840`
								`47`	`7563`	`866657`
									`106`	`34751`
										`235`

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Last modified May 1 20:04 EDT 2024. Contains 372176 sequences. (Running on oeis4.)