A209073 - OEIS

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A209073 as a triangular array

1

1 2

1 3 2

1 4 6 5

1 5 12 22 8

1 6 20 57 70 19

1 7 30 122 276 265 39

1 8 42 223 766 1465 1007 95

1 9 56 366 1722 5239 8008 4055 223

1 10 72 563 3378 14431 37108 45408 16593 554

1 11 90 820 6006 33469 125428

A209073 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
`5`	`22`	`57`	`122`	`223`	`366`	`563`	`820`
`8`	`70`	`276`	`766`	`1722`	`3378`	`6006`
`19`	`265`	`1465`	`5239`	`14431`	`33469`
`39`	`1007`	`8008`	`37108`	`125428`
`95`	`4055`	`45408`
`223`	`16593`
`554`

A209073 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`	`11`
		`2`	`6`	`12`	`20`	`30`	`42`	`56`	`72`	`90`
			`5`	`22`	`57`	`122`	`223`	`366`	`563`	`820`
				`8`	`70`	`276`	`766`	`1722`	`3378`	`6006`
					`19`	`265`	`1465`	`5239`	`14431`	`33469`
						`39`	`1007`	`8008`	`37108`	`125428`
							`95`	`4055`	`45408`
								`223`	`16593`
									`554`

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Last modified September 16 21:44 EDT 2024. Contains 375977 sequences. (Running on oeis4.)