A286815 - OEIS

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A286815 as a triangular array

1

1 0

1 2 0

1 4 0 0

1 6 4 0 0

1 8 12 0 2 0

1 10 24 8 4 0 0

1 12 40 32 6 8 0 0

1 14 60 80 24 24 0 0 0

1 16 84 160 90 48 24 0 0 0

1 18 112 280 252 112 96 0 4 2 0

1 20 144 448 574 312 240 64 12

A286815 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`	`20`
`0`	`0`	`4`	`12`	`24`	`40`	`60`	`84`	`112`	`144`
`0`	`0`	`0`	`8`	`32`	`80`	`160`	`280`	`448`
`0`	`2`	`4`	`6`	`24`	`90`	`252`	`574`
`0`	`0`	`8`	`24`	`48`	`112`	`312`
`0`	`0`	`0`	`24`	`96`	`240`
`0`	`0`	`0`	`0`	`64`
`0`	`0`	`4`	`12`
`0`	`2`
`0`

A286815 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`0`	`2`	`4`	`6`	`8`	`10`	`12`	`14`	`16`	`18`	`20`
		`0`	`0`	`4`	`12`	`24`	`40`	`60`	`84`	`112`	`144`
			`0`	`0`	`0`	`8`	`32`	`80`	`160`	`280`	`448`
				`0`	`2`	`4`	`6`	`24`	`90`	`252`	`574`
					`0`	`0`	`8`	`24`	`48`	`112`	`312`
						`0`	`0`	`0`	`24`	`96`	`240`
							`0`	`0`	`0`	`0`	`64`
								`0`	`0`	`4`	`12`
									`0`	`2`
										`0`

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)