A189498 - OEIS

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A189498 as a triangular array

0

2 4

6 12 0

12 38 42 12

20 78 152 136 0

30 148 462 928 550 40

42 240 1088 3388 4920 1892 0

56 380 2128 9394 24806 27508 7384 140

72 554 3850 22088 85480 182634 152358 26816 0

90 788 6474 45892 238836 787412

A189498 as a square array

`0`	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
`4`	`12`	`38`	`78`	`148`	`240`	`380`	`554`	`788`
`0`	`42`	`152`	`462`	`1088`	`2128`	`3850`	`6474`
`12`	`136`	`928`	`3388`	`9394`	`22088`	`45892`
`0`	`550`	`4920`	`24806`	`85480`	`238836`
`40`	`1892`	`27508`	`182634`	`787412`
`0`	`7384`	`152358`
`140`	`26816`
`0`

A189498 as an upper right triangle

`0`	`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
	`4`	`12`	`38`	`78`	`148`	`240`	`380`	`554`	`788`
		`0`	`42`	`152`	`462`	`1088`	`2128`	`3850`	`6474`
			`12`	`136`	`928`	`3388`	`9394`	`22088`	`45892`
				`0`	`550`	`4920`	`24806`	`85480`	`238836`
					`40`	`1892`	`27508`	`182634`	`787412`
						`0`	`7384`	`152358`
							`140`	`26816`
								`0`

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Last modified December 11 02:45 EST 2023. Contains 367717 sequences. (Running on oeis4.)