A081572 - OEIS

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A081572 as a triangular array

1

1 1

1 2 2

1 3 5 3

1 4 10 13 5

1 5 17 35 34 8

1 6 26 75 125 89 13

1 7 37 139 338 450 233 21

1 8 50 233 757 1541 1625 610 34

1 9 65 363 1490 4172 7069 5875 1597 55

1 10 82 535 2669 9633 23165 32532 21250 4181 89

A081572 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`
`3`	`13`	`35`	`75`	`139`	`233`	`363`	`535`
`5`	`34`	`125`	`338`	`757`	`1490`	`2669`
`8`	`89`	`450`	`1541`	`4172`	`9633`
`13`	`233`	`1625`	`7069`	`23165`
`21`	`610`	`5875`	`32532`
`34`	`1597`	`21250`
`55`	`4181`
`89`

A081572 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`
			`3`	`13`	`35`	`75`	`139`	`233`	`363`	`535`
				`5`	`34`	`125`	`338`	`757`	`1490`	`2669`
					`8`	`89`	`450`	`1541`	`4172`	`9633`
						`13`	`233`	`1625`	`7069`	`23165`
							`21`	`610`	`5875`	`32532`
								`34`	`1597`	`21250`
									`55`	`4181`
										`89`

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Last modified May 15 02:58 EDT 2024. Contains 372536 sequences. (Running on oeis4.)