A143388 - OEIS

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A143388 as a triangular array

1

2 8

40 221 1288

7752 47652 297275 1874730

11920740 76292736 490828828 3171317360 20563942288

133749903324 872196460359 5700580759510 37332393806400 244914161562840 1609234420792845

A143388 as a square array

`1`	`2`	`40`	`7752`	`11920740`	`133749903324`
`8`	`221`	`47652`	`76292736`	`872196460359`
`1288`	`297275`	`490828828`	`5700580759510`
`1874730`	`3171317360`	`37332393806400`
`20563942288`	`244914161562840`
`1609234420792845`

A143388 as an upper right triangle

`1`	`2`	`40`	`7752`	`11920740`	`133749903324`
	`8`	`221`	`47652`	`76292736`	`872196460359`
		`1288`	`297275`	`490828828`	`5700580759510`
			`1874730`	`3171317360`	`37332393806400`
				`20563942288`	`244914161562840`
					`1609234420792845`

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Last modified April 23 13:11 EDT 2024. Contains 371913 sequences. (Running on oeis4.)