A340107 - OEIS

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A340107 as a triangular array

1

1 1

1 2 2

1 3 6 0

1 4 12 16 16

1 5 20 50 90 80

1 6 30 108 300 552 516

1 7 42 196 742 2100 3990 3794

1 8 56 320 1536 5888 16976 32656 31456

1 9 72 486 2826 13680 53046 154350 299628 290970

1 10 90 700 4780 27960 136380 532340 1559040 3044900 2974380

A340107 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
`0`	`16`	`50`	`108`	`196`	`320`	`486`	`700`
`16`	`90`	`300`	`742`	`1536`	`2826`	`4780`
`80`	`552`	`2100`	`5888`	`13680`	`27960`
`516`	`3990`	`16976`	`53046`	`136380`
`3794`	`32656`	`154350`	`532340`
`31456`	`299628`	`1559040`
`290970`	`3044900`
`2974380`

A340107 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
		`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
			`0`	`16`	`50`	`108`	`196`	`320`	`486`	`700`
				`16`	`90`	`300`	`742`	`1536`	`2826`	`4780`
					`80`	`552`	`2100`	`5888`	`13680`	`27960`
						`516`	`3990`	`16976`	`53046`	`136380`
							`3794`	`32656`	`154350`	`532340`
								`31456`	`299628`	`1559040`
									`290970`	`3044900`
										`2974380`

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Last modified September 2 22:46 EDT 2024. Contains 375620 sequences. (Running on oeis4.)