A136555 - OEIS

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A136555 as a triangular array

1

1 1

1 2 3

1 3 6 35

1 4 10 56 1365

1 5 15 84 1820 169911

1 6 21 120 2380 201376 67945521

1 7 28 165 3060 237336 74974368 89356415775

1 8 36 220 3876 278256 82598880 94525795200 396861704798625

1 9 45 286 4845 324632 90858768 99949406400 409663695276000 6098989894499557055

A136555 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`
`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
`35`	`56`	`84`	`120`	`165`	`220`	`286`
`1365`	`1820`	`2380`	`3060`	`3876`	`4845`
`169911`	`201376`	`237336`	`278256`	`324632`
`67945521`	`74974368`	`82598880`	`90858768`
`89356415775`	`94525795200`	`99949406400`
`396861704798625`	`409663695276000`
`6098989894499557055`

A136555 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`
		`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
			`35`	`56`	`84`	`120`	`165`	`220`	`286`
				`1365`	`1820`	`2380`	`3060`	`3876`	`4845`
					`169911`	`201376`	`237336`	`278256`	`324632`
						`67945521`	`74974368`	`82598880`	`90858768`
							`89356415775`	`94525795200`	`99949406400`
								`396861704798625`	`409663695276000`
									`6098989894499557055`

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Last modified April 23 02:53 EDT 2024. Contains 371906 sequences. (Running on oeis4.)