A108767 - OEIS

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A108767 as a triangular array

1

1 2

1 6 5

1 12 28 14

1 20 90 120 42

1 30 220 550 495 132

1 42 455 1820 3003 2002 429

1 56 840 4900 12740 15288 8008 1430

1 72 1428 11424 42840 79968 74256 31824 4862

1 90 2280 23940 122094 325584 465120

A108767 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
`5`	`28`	`90`	`220`	`455`	`840`	`1428`	`2280`
`14`	`120`	`550`	`1820`	`4900`	`11424`	`23940`
`42`	`495`	`3003`	`12740`	`42840`	`122094`
`132`	`2002`	`15288`	`79968`	`325584`
`429`	`8008`	`74256`	`465120`
`1430`	`31824`
`4862`

A108767 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
		`5`	`28`	`90`	`220`	`455`	`840`	`1428`	`2280`
			`14`	`120`	`550`	`1820`	`4900`	`11424`	`23940`
				`42`	`495`	`3003`	`12740`	`42840`	`122094`
					`132`	`2002`	`15288`	`79968`	`325584`
						`429`	`8008`	`74256`	`465120`
							`1430`	`31824`
								`4862`

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Last modified April 16 05:35 EDT 2024. Contains 371697 sequences. (Running on oeis4.)