A193731 - OEIS

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A193731 as a triangular array

1

1 2

3 8 4

9 30 28 8

27 108 144 80 16

81 378 648 528 208 32

243 1296 2700 2880 1680 512 64

729 4374 10692 14040 10800 4896 1216 128

2187 14580 40824 63504 60480 36288 13440 2816 256

6561 48114 151632 272160 308448 229824 112896 35328 6400 512

A193731 as a square array

`1`	`1`	`3`	`9`	`27`	`81`	`243`	`729`	`2187`	`6561`
`2`	`8`	`30`	`108`	`378`	`1296`	`4374`	`14580`	`48114`
`4`	`28`	`144`	`648`	`2700`	`10692`	`40824`	`151632`
`8`	`80`	`528`	`2880`	`14040`	`63504`	`272160`
`16`	`208`	`1680`	`10800`	`60480`	`308448`
`32`	`512`	`4896`	`36288`	`229824`
`64`	`1216`	`13440`	`112896`
`128`	`2816`	`35328`
`256`	`6400`
`512`

A193731 as an upper right triangle

`1`	`1`	`3`	`9`	`27`	`81`	`243`	`729`	`2187`	`6561`
	`2`	`8`	`30`	`108`	`378`	`1296`	`4374`	`14580`	`48114`
		`4`	`28`	`144`	`648`	`2700`	`10692`	`40824`	`151632`
			`8`	`80`	`528`	`2880`	`14040`	`63504`	`272160`
				`16`	`208`	`1680`	`10800`	`60480`	`308448`
					`32`	`512`	`4896`	`36288`	`229824`
						`64`	`1216`	`13440`	`112896`
							`128`	`2816`	`35328`
								`256`	`6400`
									`512`

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Last modified April 24 02:28 EDT 2024. Contains 371917 sequences. (Running on oeis4.)