A153187 - OEIS

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A153187 as a triangular array

0

1 3

2 10 80

3 21 231 3465

4 36 504 9576 229824

5 55 935 21505 623645 21827575

6 78 1560 42120 1432080 58715280 2818333440

7 105 2415 74865 2919735 137227545 7547514975 475493443425

8 136 3536 123760 5445440 288608320 17893715840 1270453824640 101636305971200

A153187 as a square array

`0`	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`
`3`	`10`	`21`	`36`	`55`	`78`	`105`	`136`
`80`	`231`	`504`	`935`	`1560`	`2415`	`3536`
`3465`	`9576`	`21505`	`42120`	`74865`	`123760`
`229824`	`623645`	`1432080`	`2919735`	`5445440`
`21827575`	`58715280`	`137227545`	`288608320`
`2818333440`	`7547514975`	`17893715840`
`475493443425`	`1270453824640`
`101636305971200`

A153187 as an upper right triangle

`0`	`1`	`2`	`3`	`4`	`5`	`6`	`7`	`8`
	`3`	`10`	`21`	`36`	`55`	`78`	`105`	`136`
		`80`	`231`	`504`	`935`	`1560`	`2415`	`3536`
			`3465`	`9576`	`21505`	`42120`	`74865`	`123760`
				`229824`	`623645`	`1432080`	`2919735`	`5445440`
					`21827575`	`58715280`	`137227545`	`288608320`
						`2818333440`	`7547514975`	`17893715840`
							`475493443425`	`1270453824640`
								`101636305971200`

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Last modified May 28 20:33 EDT 2024. Contains 372919 sequences. (Running on oeis4.)