A121682 - OEIS

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A121682 as a triangular array

1

6 4

27 21 9

124 100 52 16

645 525 285 105 25

3906 3186 1746 666 186 36

27391 22351 12271 4711 1351 301 49

219192 178872 98232 37752 10872 2472 456 64

1972809 1609929 884169 339849 97929 22329 4185 657 81

19728190 16099390 8841790 3398590 979390 223390 41950 6670 910 100

A121682 as a square array

`1`	`6`	`27`	`124`	`645`	`3906`	`27391`	`219192`	`1972809`	`19728190`
`4`	`21`	`100`	`525`	`3186`	`22351`	`178872`	`1609929`	`16099390`
`9`	`52`	`285`	`1746`	`12271`	`98232`	`884169`	`8841790`
`16`	`105`	`666`	`4711`	`37752`	`339849`	`3398590`
`25`	`186`	`1351`	`10872`	`97929`	`979390`
`36`	`301`	`2472`	`22329`	`223390`
`49`	`456`	`4185`	`41950`
`64`	`657`	`6670`
`81`	`910`
`100`

A121682 as an upper right triangle

`1`	`6`	`27`	`124`	`645`	`3906`	`27391`	`219192`	`1972809`	`19728190`
	`4`	`21`	`100`	`525`	`3186`	`22351`	`178872`	`1609929`	`16099390`
		`9`	`52`	`285`	`1746`	`12271`	`98232`	`884169`	`8841790`
			`16`	`105`	`666`	`4711`	`37752`	`339849`	`3398590`
				`25`	`186`	`1351`	`10872`	`97929`	`979390`
					`36`	`301`	`2472`	`22329`	`223390`
						`49`	`456`	`4185`	`41950`
							`64`	`657`	`6670`
								`81`	`910`
									`100`

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Last modified August 9 15:15 EDT 2024. Contains 375044 sequences. (Running on oeis4.)