A237018 - OEIS

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A237018 as a triangular array

1

1 0

1 1 0

1 2 2 0

1 3 8 5 0

1 4 18 39 14 0

1 5 32 132 212 42 0

1 6 50 314 1080 1232 132 0

1 7 72 615 3440 9450 7492 429 0

1 8 98 1065 8450 40320 86544 47082 1430 0

1 9 128 1694 17604 124250 494736 819154 303336 4862 0

A237018 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`
`0`	`2`	`8`	`18`	`32`	`50`	`72`	`98`	`128`
`0`	`5`	`39`	`132`	`314`	`615`	`1065`	`1694`
`0`	`14`	`212`	`1080`	`3440`	`8450`	`17604`
`0`	`42`	`1232`	`9450`	`40320`	`124250`
`0`	`132`	`7492`	`86544`	`494736`
`0`	`429`	`47082`	`819154`
`0`	`1430`	`303336`
`0`	`4862`
`0`

A237018 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`0`	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`
		`0`	`2`	`8`	`18`	`32`	`50`	`72`	`98`	`128`
			`0`	`5`	`39`	`132`	`314`	`615`	`1065`	`1694`
				`0`	`14`	`212`	`1080`	`3440`	`8450`	`17604`
					`0`	`42`	`1232`	`9450`	`40320`	`124250`
						`0`	`132`	`7492`	`86544`	`494736`
							`0`	`429`	`47082`	`819154`
								`0`	`1430`	`303336`
									`0`	`4862`
										`0`

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Last modified August 28 02:34 EDT 2024. Contains 375477 sequences. (Running on oeis4.)