A247943 - OEIS

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A247943 as a triangular array

0

2 2

6 60 6

12 1058 1058 12

20 25080 140240 25080 20

30 822594 58673472 58673472 822594 30

42 36195620 28938943114 490225231968 28938943114 36195620 42

56 2069486450

A247943 as a square array

`0`	`2`	`6`	`12`	`20`	`30`	`42`	`56`
`2`	`60`	`1058`	`25080`	`822594`	`36195620`	`2069486450`
`6`	`1058`	`140240`	`58673472`	`28938943114`
`12`	`25080`	`58673472`	`490225231968`
`20`	`822594`	`28938943114`
`30`	`36195620`
`42`

A247943 as an upper right triangle

`0`	`2`	`6`	`12`	`20`	`30`	`42`	`56`
	`2`	`60`	`1058`	`25080`	`822594`	`36195620`	`2069486450`
		`6`	`1058`	`140240`	`58673472`	`28938943114`
			`12`	`25080`	`58673472`	`490225231968`
				`20`	`822594`	`28938943114`
					`30`	`36195620`
						`42`

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Last modified April 16 14:51 EDT 2024. Contains 371749 sequences. (Running on oeis4.)