A098825 - OEIS

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A098825 as a triangular array

1

1 0

1 0 1

1 0 3 2

1 0 6 8 9

1 0 10 20 45 44

1 0 15 40 135 264 265

1 0 21 70 315 924 1855 1854

1 0 28 112 630 2464 7420 14832 14833

1 0 36 168 1134 5544 22260 66744 133497 133496

1 0 45 240 1890 11088 55650 222480 667485 1334960 1334961

A098825 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
`2`	`8`	`20`	`40`	`70`	`112`	`168`	`240`
`9`	`45`	`135`	`315`	`630`	`1134`	`1890`
`44`	`264`	`924`	`2464`	`5544`	`11088`
`265`	`1855`	`7420`	`22260`	`55650`
`1854`	`14832`	`66744`	`222480`
`14833`	`133497`	`667485`
`133496`	`1334960`
`1334961`

A098825 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
		`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
			`2`	`8`	`20`	`40`	`70`	`112`	`168`	`240`
				`9`	`45`	`135`	`315`	`630`	`1134`	`1890`
					`44`	`264`	`924`	`2464`	`5544`	`11088`
						`265`	`1855`	`7420`	`22260`	`55650`
							`1854`	`14832`	`66744`	`222480`
								`14833`	`133497`	`667485`
									`133496`	`1334960`
										`1334961`

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)