A137339 - OEIS

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A137339 as a triangular array

1

0 3

0 3 9

0 6 27 27

0 18 99 162 81

0 72 450 945 810 243

0 360 2466 6075 6885 3645 729

0 2160 15876 43848 59535 42525 15309 2187

0 15120 117612 354564 548289 476280 234738 61236 6561

0 120960 986256 3189348

A137339 as a square array

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
`3`	`3`	`6`	`18`	`72`	`360`	`2160`	`15120`	`120960`
`9`	`27`	`99`	`450`	`2466`	`15876`	`117612`	`986256`
`27`	`162`	`945`	`6075`	`43848`	`354564`	`3189348`
`81`	`810`	`6885`	`59535`	`548289`
`243`	`3645`	`42525`	`476280`
`729`	`15309`	`234738`
`2187`	`61236`
`6561`

A137339 as an upper right triangle

`1`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`	`0`
	`3`	`3`	`6`	`18`	`72`	`360`	`2160`	`15120`	`120960`
		`9`	`27`	`99`	`450`	`2466`	`15876`	`117612`	`986256`
			`27`	`162`	`945`	`6075`	`43848`	`354564`	`3189348`
				`81`	`810`	`6885`	`59535`	`548289`
					`243`	`3645`	`42525`	`476280`
						`729`	`15309`	`234738`
							`2187`	`61236`
								`6561`

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Last modified May 14 01:40 EDT 2024. Contains 372528 sequences. (Running on oeis4.)