A080955 - OEIS

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A080955 as a triangular array

1

1 1

1 2 2

1 3 5 6

1 4 10 16 24

1 5 17 38 65 120

1 6 26 78 168 326 720

1 7 37 142 393 872 1957 5040

1 8 50 236 824 2208 5296 13700 40320

1 9 65 366 1569 5144 13977 37200 109601 362880

1 10 82 538 2760 10970 34960 100026

A080955 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
`2`	`5`	`10`	`17`	`26`	`37`	`50`	`65`	`82`
`6`	`16`	`38`	`78`	`142`	`236`	`366`	`538`
`24`	`65`	`168`	`393`	`824`	`1569`	`2760`
`120`	`326`	`872`	`2208`	`5144`	`10970`
`720`	`1957`	`5296`	`13977`	`34960`
`5040`	`13700`	`37200`	`100026`
`40320`	`109601`
`362880`

A080955 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`	`9`	`10`
		`2`	`5`	`10`	`17`	`26`	`37`	`50`	`65`	`82`
			`6`	`16`	`38`	`78`	`142`	`236`	`366`	`538`
				`24`	`65`	`168`	`393`	`824`	`1569`	`2760`
					`120`	`326`	`872`	`2208`	`5144`	`10970`
						`720`	`1957`	`5296`	`13977`	`34960`
							`5040`	`13700`	`37200`	`100026`
								`40320`	`109601`
									`362880`

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Last modified April 24 12:48 EDT 2024. Contains 371942 sequences. (Running on oeis4.)