A065077 - OEIS

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A065077 as a triangular array

1

1 1

1 3 5

1 6 21 42

1 10 56 210 462

1 15 120 660 2574 6006

1 21 225 1650 9009 36036 87516

1 28 385 3575 25025 136136 554268 1385670

1 36 616 7007 60060 408408 2217072 9145422 23371634

1 45 936 12740 129948

A065077 as a square array

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
`5`	`21`	`56`	`120`	`225`	`385`	`616`	`936`
`42`	`210`	`660`	`1650`	`3575`	`7007`	`12740`
`462`	`2574`	`9009`	`25025`	`60060`	`129948`
`6006`	`36036`	`136136`	`408408`
`87516`	`554268`	`2217072`
`1385670`	`9145422`
`23371634`

A065077 as an upper right triangle

`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`	`1`
	`1`	`3`	`6`	`10`	`15`	`21`	`28`	`36`	`45`
		`5`	`21`	`56`	`120`	`225`	`385`	`616`	`936`
			`42`	`210`	`660`	`1650`	`3575`	`7007`	`12740`
				`462`	`2574`	`9009`	`25025`	`60060`	`129948`
					`6006`	`36036`	`136136`	`408408`
						`87516`	`554268`	`2217072`
							`1385670`	`9145422`
								`23371634`

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Last modified May 30 03:30 EDT 2024. Contains 372957 sequences. (Running on oeis4.)