A193723 - OEIS

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A193723 as a triangular array

1

2 1

6 5 1

18 21 8 1

54 81 45 11 1

162 297 216 78 14 1

486 1053 945 450 120 17 1

1458 3645 3888 2295 810 171 20 1

4374 12393 15309 10773 4725 1323 231 23 1

13122 41553 58320 47628 24948 8694 2016 300 26 1

A193723 as a square array

`1`	`2`	`6`	`18`	`54`	`162`	`486`	`1458`	`4374`	`13122`
`1`	`5`	`21`	`81`	`297`	`1053`	`3645`	`12393`	`41553`
`1`	`8`	`45`	`216`	`945`	`3888`	`15309`	`58320`
`1`	`11`	`78`	`450`	`2295`	`10773`	`47628`
`1`	`14`	`120`	`810`	`4725`	`24948`
`1`	`17`	`171`	`1323`	`8694`
`1`	`20`	`231`	`2016`
`1`	`23`	`300`
`1`	`26`
`1`

A193723 as an upper right triangle

`1`	`2`	`6`	`18`	`54`	`162`	`486`	`1458`	`4374`	`13122`
	`1`	`5`	`21`	`81`	`297`	`1053`	`3645`	`12393`	`41553`
		`1`	`8`	`45`	`216`	`945`	`3888`	`15309`	`58320`
			`1`	`11`	`78`	`450`	`2295`	`10773`	`47628`
				`1`	`14`	`120`	`810`	`4725`	`24948`
					`1`	`17`	`171`	`1323`	`8694`
						`1`	`20`	`231`	`2016`
							`1`	`23`	`300`
								`1`	`26`
									`1`

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Last modified May 12 02:10 EDT 2024. Contains 372431 sequences. (Running on oeis4.)