A047918 - OEIS

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A047918 as a triangular array

1

2 0

6 0 0

8 0 0 16

20 0 0 0 100

12 24 36 0 0 648

42 0 0 0 0 0 4998

32 32 0 320 0 0 0 39936

54 0 270 0 0 0 0 0 362556

40 160 0 0 3800 0 0 0 0 3624800

110 0 0 0 0 0 0 0 0 0 39916690

48 96

A047918 as a square array

`1`	`2`	`6`	`8`	`20`	`12`	`42`	`32`	`54`	`40`	`110`	`48`
`0`	`0`	`0`	`0`	`24`	`0`	`32`	`0`	`160`	`0`	`96`
`0`	`0`	`0`	`36`	`0`	`0`	`270`	`0`	`0`
`16`	`0`	`0`	`0`	`320`	`0`	`0`	`0`
`100`	`0`	`0`	`0`	`0`	`3800`	`0`
`648`	`0`	`0`	`0`	`0`	`0`
`4998`	`0`	`0`	`0`	`0`
`39936`	`0`	`0`	`0`
`362556`	`0`	`0`
`3624800`	`0`
`39916690`

A047918 as an upper right triangle

`1`	`2`	`6`	`8`	`20`	`12`	`42`	`32`	`54`	`40`	`110`	`48`
	`0`	`0`	`0`	`0`	`24`	`0`	`32`	`0`	`160`	`0`	`96`
		`0`	`0`	`0`	`36`	`0`	`0`	`270`	`0`	`0`
			`16`	`0`	`0`	`0`	`320`	`0`	`0`	`0`
				`100`	`0`	`0`	`0`	`0`	`3800`	`0`
					`648`	`0`	`0`	`0`	`0`	`0`
						`4998`	`0`	`0`	`0`	`0`
							`39936`	`0`	`0`	`0`
								`362556`	`0`	`0`
									`3624800`	`0`
										`39916690`

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Last modified April 25 01:06 EDT 2024. Contains 371964 sequences. (Running on oeis4.)